its better to go with open tutorials available all over internet. thenewboston - YouTube
this guys is a great, learn from him with ease & clear.
This is the best option to start.
Hope this helps.
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To let you know, he has beginner to expert levels of tuts.
Dont forget to subscribe him.
voila/
you can always check for the youtube channels for MIT, carnegie mellon, university of california, iits etc... they have awesome videos on almost everything. even atom bombs.