identifier, variables, comments,docstrings in python ?

About identifiers,variable,comments, multiline codingand docstrings in python.
#sankar
#pythonidentifiers
#variables
#pythoninterviewquestions
#pythoninterview
#pythonshortcourse
#pythonexcution
#pythoncourse
#simplecoding
#python3
#linix
#python
#codewithfun
#sankarinti
#programming
#maincourse

ppt:

please share and subscribe to the channel @sankar youtube