PYTHON learning step by step

Lets learn a b c d of  "PYTHON"  step by step:

1. Python Introduction
2. Python Getting Started
3. Python Syntax
4. Python Variables
5. Python Numbers
6. Python Casting
7. Python Strings
8. Python Operators
9. Python Lists
10. Python Tuples
11. Python Sets
12. Python Dictionaries
13. Python If ... Else
14. Python While Loops
15. Python For Loops
16. Python Functions
17. Python Lambda
18. Python Arrays
19. Python Classes and Objects  
20. Python Inheritance
21. Python Iterators
22. Python Modules
23. Python Datetime
24. Python JSON
25. Python RegEx
26. Python PIP
27. Python Try Except    

•     Python File Open   

•    Python File Open    

•    Python File Write     

•    Python Delete File