[{"itemType":"task","number":"1","published_number":"1","title":"\u8d44\u6599.zip","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58473","isOptional":"0","type":"download","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"000 - \u8bfe\u7a0b\u6f14\u793a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58474","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"101 - KNN\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58475","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"102 - KNN\u7b97\u6cd5\u7406\u8bba","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58476","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"103 - KNN\u7b97\u6cd5\u4e09\u4e2a\u6838\u5fc3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58477","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"201 - \u751f\u6210\u6570\u636e\u7ed8\u5236\u6563\u70b9\u56fe","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58478","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"202 - KNN\u7b97\u6cd5\u6d41\u7a0b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58479","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"203 - \u5206\u6790KNN\u7b97\u6cd5\u6d41\u7a0b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58480","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"204 - \u5f85\u6d4b\u6837\u672c\u7684\u51c6\u5907","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58481","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"205 - \u8ba1\u7b97\u5f85\u6d4b\u6837\u672c\u70b9\u5230\u6240\u6709\u6837\u672c\u7684\u8ddd\u79bb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58482","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"206 - Argsort\u51fd\u6570\u8fdb\u884c\u6392\u5e8f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58483","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"207 - \u5b8c\u6210KNN\u7684\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58484","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:15","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"208 - KNN\u89e3\u51b3\u56de\u5f52\u95ee\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58485","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"209 - \u52a0\u6743\u8868\u51b3\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58486","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"210 - KNN\u7b97\u6cd5\u7684K\u503c\u9009\u62e9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58487","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"211 - \u76f8\u4f3c\u5ea6\u7684\u6d4b\u91cf\u65b9\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58488","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:04","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"212 - \u4e3a\u4ec0\u4e48\u4f1a\u7528\u5230KD\u6811","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58489","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:53","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"213 - \u4e13\u5bb6\u7cfb\u7edf","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58490","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"214 - \u5982\u4f55\u533a\u5206\u4e00\u4e2a\u7269\u54c1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58491","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:11","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"215 - \u5982\u4f55\u6784\u5efaKD\u6811","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58492","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"216 - \u6784\u5efaKD\u6811\u7684\u6b65\u9aa4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58493","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"217 - \u8ba1\u7b97\u65b9\u5dee","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58494","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:14","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"218 - KD\u6811\u7684\u6784\u9020\u4e0e\u7a7a\u95f4\u5212\u5206","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58495","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"219 - KD\u6811\u67e5\u627e\u6700\u8fd1\u90bb\u7684\u65b9\u5f0f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58496","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"220 - KNN\u7b97\u6cd5\u9700\u8981\u638c\u63e1\u7684\u4e00\u4e9b\u77e5\u8bc6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58497","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"220_1 - KD\u6811\u753b\u56fe\u6784\u5efa\u4ee3\u7801\u601d\u8def","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58498","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"220_2 - KD\u6811\u753b\u56fe\u4ee3\u7801","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58499","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"220_3 - \u6392\u5e8f\u5e76\u4e14\u83b7\u5f97\u4e2d\u4f4d\u6570","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58500","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"220_4 - \u7ed8\u5236\u7b2c\u4e00\u6761\u5782\u76f4\u7684\u7ebf","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58501","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"220_5 - \u9012\u5f52\u8c03\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58502","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"220_6 - \u753b\u5782\u76f4\u4e8eY\u7684\u7ebf","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58503","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"220_7 - \u5b8c\u6210\u7b2c\u4e00\u5c42\u7684\u9012\u5f52","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58504","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"220_8 - \u5b8c\u6210KD\u6811\u7684\u7a7a\u95f4\u6811\u4ee3\u7801","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58505","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:01","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"220_9 - \u4eba\u5de5\u7b97KD\u6811","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58506","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:34","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"220_10 - \u4eba\u5de5\u7b97KD\u6811_2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58507","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"220_11 - \u4e3a\u4ec0\u4e48KD\u6811\u53ef\u4ee5\u52a0\u5feb\u67e5\u627e\u6700\u8fd1\u90bb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58508","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"221 - Sklearn\u4e2d\u7684KNN","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58509","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:11","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"222 - KNN\u7b97\u6cd5\u7684\u521b\u5efa","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58510","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"223 - MeshGrid\u521b\u5efa\u7f51\u683c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58511","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"224 - KNN\u9884\u6d4b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58512","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"225 - 2\u5206\u7c7b\u95ee\u9898\u7684\u89e3\u51b3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58513","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:10","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"226 - \u67e5\u770b\u591a\u5206\u7c7b\u7684\u51b3\u7b56\u8fb9\u754c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58514","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"227 - \u521b\u5efa\u7f51\u683c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58515","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"228 - \u67e5\u770b\u591a\u5206\u7c7b\u7684\u51b3\u7b56\u8fb9\u754c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58516","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"229 - \u4f7f\u7528KNN\u7b97\u6cd5\u505a\u56de\u5f52","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58517","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"230 - \u7ebf\u6027\u56de\u5f52\u505a\u56de\u5f52","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58518","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"231 - KNN\u505a\u56de\u5f52\u4ee3\u7801","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58519","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"232 - \u5bf9\u6bd4\u7ebf\u6027\u56de\u5f52\u4e0eKNN\u56de\u5f52","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58520","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"233 - \u5c04\u9891\u6307\u7eb9\u5b9a\u4f4d\u6848\u4f8b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58521","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"234 - \u6570\u636e\u96c6\u7684\u8bf4\u660e","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58522","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:09","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"235 - \u83b7\u5f97X\u7684\u6570\u636e","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58523","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"236 - \u9884\u6d4b\u4eba\u7269\u7684\u7ecf\u5ea6\u4fe1\u606f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58524","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:11","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"53","published_number":"53","title":"237 - \u7ecf\u5ea6\u4e4b\u95f4\u7684\u4e00\u4e9b\u5dee\u5f02","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58525","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"238 - \u6570\u636e\u53ef\u89c6\u5316","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58526","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"55","published_number":"55","title":"239 - \u5b50\u56fe\u5982\u4f55\u663e\u793a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58527","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"56","published_number":"56","title":"240 - \u4e0d\u540cK\u503c\u5bf9\u62df\u5408\u4f18\u5ea6\u7684\u5f71\u54cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58528","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:11","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"57","published_number":"57","title":"241 - K\u503c\u4e0d\u65ad\u589e\u5927\u62df\u5408\u4f18\u5ea6\u51cf\u5c0f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58529","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"58","published_number":"58","title":"242 - \u603b\u7ed3KNN\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58530","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"59","published_number":"59","title":"243 - \u603b\u7ed3KNN\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58531","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"60","published_number":"60","title":"301 - \u7855\u58eb\u5c0f\u8bba\u6587\u4f7f\u7528KNN\u7b97\u6cd5\u5c04\u9891\u6307\u7eb9\u5b9a\u4f4d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58532","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"61","published_number":"61","title":"302 - \u624b\u52a8\u642d\u5efaKNN\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58533","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:45","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"62","published_number":"62","title":"303 - \u5217\u8868\u63a8\u5bfc\u5f0f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58534","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:10","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"63","published_number":"63","title":"304 - \u9884\u6d4b\u4e00\u4e2a\u6837\u672c\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58535","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"64","published_number":"64","title":"305 - \u8ba1\u7b97\u4e24\u4e2a\u6837\u672c\u70b9\u7684\u8ddd\u79bb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58536","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:15","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"65","published_number":"65","title":"306 - \u67e5\u770b\u4e24\u4e2a\u6837\u672c\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58537","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"66","published_number":"66","title":"307 - \u8ba1\u7b97\u5f85\u6d4b\u6837\u672c\u70b9\u5230\u7b2c\u4e00\u4e2a\u503c\u7684\u8ddd\u79bb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58538","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"67","published_number":"67","title":"308 - \u8bf4\u660e\u95ee\u9898\u6240\u5728","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58539","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:18","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"68","published_number":"68","title":"309 - \u62ff\u5230\u8ddd\u79bb\u548c\u6837\u672cY\u503c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58540","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"69","published_number":"69","title":"310 - \u8f6c\u6362\u4e3aNumpy\u4e2d\u7684\u6570\u7ec4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58541","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"70","published_number":"70","title":"311 - \u901a\u8fc7\u524dK\u4e2a\u6837\u672c\u70b9\u9884\u6d4bTarget","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58542","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"71","published_number":"71","title":"312 - \u51b3\u7b56\u65b9\u5f0f-\u52a0\u6743\u5e73\u5747","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58543","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"72","published_number":"72","title":"313 - \u52a0\u6743\u5e73\u5747\u9884\u6d4b\u7684Y\u503c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58544","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"73","published_number":"73","title":"314 - \u518d\u6765\u4e00\u4e2a\u70b9\u627e\u627e\u51fa\u95ee\u9898\u6240\u5728","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58545","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"74","published_number":"74","title":"315 - \u89e3\u51b3Bug","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58546","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"75","published_number":"75","title":"316 - \u4f7f\u7528Softmax\u51fd\u6570\u505a\u52a0\u6743\u64cd\u4f5c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58547","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"76","published_number":"76","title":"317 - Softmax\u51fd\u6570\u8f6c\u6362\u6982\u7387","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58548","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"77","published_number":"77","title":"318 - \u5b8c\u6210Softmax\u51fd\u6570\u4f18\u5316","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58549","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:17","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"78","published_number":"78","title":"319 - \u4e66\u5199KNN\u7684\u8bc4\u5206\u51fd\u6570","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58550","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:18","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"79","published_number":"79","title":"320 - \u5b8c\u6210KNN\u7684\u8bc4\u5206\u51fd\u6570","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58551","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"80","published_number":"80","title":"321 - \u521b\u5efa\u4e09\u4e2a\u51b3\u7b56\u65b9\u5f0f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58552","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"81","published_number":"81","title":"322 - \u67e5\u770b\u4e09\u79cd\u65b9\u5f0f\u7684\u5206\u6570","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58553","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:37","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"82","published_number":"82","title":"323 - \u89e3\u51b3DataFrame\u53d6\u503c\u7684\u95ee\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58554","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"83","published_number":"83","title":"324 - \u8ba1\u7b97\u5939\u89d2\u4f59\u5f26\u503c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58555","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"84","published_number":"84","title":"325 - \u62ff\u5230\u4e24\u4e2a\u5411\u91cf","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58556","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:36","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"85","published_number":"85","title":"326 - \u8ba1\u7b97\u4f59\u5f26\u76f8\u4f3c\u5ea6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58557","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"86","published_number":"86","title":"327 - \u9009\u62e9Cos\u503c\u6700\u5927\u7684\u524dK\u4e2a\u6837\u672c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58558","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"87","published_number":"87","title":"328 - \u6d4b\u8bd5Cos\u4e0eSoftmax\u7684\u62df\u5408\u4f18\u5ea6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58559","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"88","published_number":"88","title":"329 - \u5199\u7a0b\u5e8f\u67e5\u770b\u5404\u4e2a\u7684\u6548\u679c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58560","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:34","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"89","published_number":"89","title":"330 - \u67e5\u770b\u5168\u90e8\u7684\u6548\u679c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58561","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"90","published_number":"90","title":"331 - \u8ba1\u7b97\u6bcf\u4e2a\u6a21\u578b\u7684\u8bc4\u5206","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58562","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:09","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"91","published_number":"91","title":"332 - \u4e66\u5199\u753b\u56fe\u7684\u6a2a\u5750\u6807","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58563","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"92","published_number":"92","title":"333 - \u5b8c\u6210KNN\u7b97\u6cd5\u7b49\u5f85\u4ee3\u7801\u7684\u7ed3\u679c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"58564","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true}]