Learn the very basics of Python 3: Installation, The Python Interpreter, Writing and Running Python Scripts, Handling User Input, Variables and Data Types.
Installing Python 3 on Windows, Linux and MacOS – Follow the guidelines in the article below for installing Python 3 on Windows, Linux, MAC OS X, Android or iOS:
List of Python 3 keywords:
Useful links:
https://docs.python.org/3/using/index.html
https://docs.python.org/3/library/idle.html
https://docs.python.org/3/library/functions.html#input
https://www.digitalocean.com/community/tutorials/how-to-use-variables-in-python-3
https://docs.python.org/3/library/stdtypes.html
https://docs.python.org/3/reference/lexical_analysis.html#keywords