[{"Name":"Graphs of a Function and its Derivative","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Connection between Graphs of F and F`","Duration":"17m 5s","ID":6240},{"Watched":false,"Name":"Example 1","Duration":"4m 54s","ID":6241},{"Watched":false,"Name":"Example 2","Duration":"2m 12s","ID":6242},{"Watched":false,"Name":"Example 3","Duration":"3m 49s","ID":6243},{"Watched":false,"Name":"Example 4","Duration":"2m 44s","ID":6244},{"Watched":false,"Name":"Exercise 1","Duration":"3m 36s","ID":6245},{"Watched":false,"Name":"Exercise 2","Duration":"3m 2s","ID":6246},{"Watched":false,"Name":"Exercise 3","Duration":"4m 6s","ID":6247},{"Watched":false,"Name":"Exercise 4","Duration":"3m 4s","ID":6248},{"Watched":false,"Name":"Exercise 5","Duration":"3m 16s","ID":6249},{"Watched":false,"Name":"Exercise 6","Duration":"3m 43s","ID":6250},{"Watched":false,"Name":"Exercise 7","Duration":"3m 41s","ID":6251},{"Watched":false,"Name":"Exercise 8","Duration":"3m 7s","ID":6252}],"ID":4030}]

[{"ID":4030,"Videos":[6240,6241,6242,6243,6244,6245,6246,6247,6248,6249,6250,6251,6252]}];

[6240,6241,6242,6243,6244,6245,6246,6247,6248,6249,6250,6251,6252];

1.1

1