[{"itemType":"task","number":"1","published_number":"1","title":"shell\u811a\u672c\u57fa\u7840\u5165\u95e8\u53ca\u53d8\u91cf\u4f7f\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2650","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:32:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"shell\u811a\u672c\u7f16\u7a0b\u53ca\u4f4d\u7f6e\u53d8\u91cf\u8be6\u89e3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2651","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:12:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"shell\u811a\u672c\u903b\u8f91\u8fd0\u7b97\u548c\u53c2\u6570\u4f20\u9012\u53ca\u5b9e\u6218","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2652","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:30:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"shell\u811a\u672c\u4e0e\u6216\u975e\u903b\u8f91\u5224\u65ad\u53ca\u78c1\u76d8\u7ba1\u7406\u5b9e\u6218","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2653","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:23:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"shell\u811a\u672c\u53c2\u6570\u8bfb\u53d6\u3001\u6587\u4ef6\u6d4b\u8bd5\u5b9e\u6218\u8fdb\u9636","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2654","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]