I allways found that most mayority tutorials have little or no practice task enough to memorize learned . Maybe is already here but anyway want to share with all nice coding practice site: edabit.com
Hope this will help somebody! Stay good and happy coding time!
I have moved this post to a more suitable sub-forum.
Some legitimate free e-books are also helpful too. - https://github.com/EbookFoundation/free-programming-books/blob/master/free-programming-books.md