1.https://github.com/jerry-git/learn-python3
2.https://github.com/trekhleb/learn-python
3.https://github.com/joaoventura/full-speed-python
4.https://github.com/rasbt/python_reference/
5.https://github.com/zhiwehu/Python-programming-exercises
6.https://github.com/MTrajK/coding-problems/
7.https://github.com/TheAlgorithms/Python/