[{"itemType":"task","number":"1","published_number":0,"title":"\u7b2c\u4e00\u8bb2\uff1aCall Stack","result":"","resultStatus":"","lock":false,"status":"published","taskId":"303","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:21","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":0,"title":"\u7b2c\u4e8c\u8bb2\uff1aLocal and Immediate Window","result":"","resultStatus":"","lock":false,"status":"published","taskId":"304","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:48","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":0,"title":"\u7b2c\u4e09\u8bb2\uff1aStep Over","result":"","resultStatus":"","lock":false,"status":"published","taskId":"305","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:52","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":0,"title":"\u7b2c\u56db\u8bb2\uff1a Step In and Out","result":"","resultStatus":"","lock":false,"status":"published","taskId":"306","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:26","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true}]