python simple programming

revising the basics and with some basic examples.

background of some programming languages 

PERL ( pratical extraction and reporting language)

- Efficient for strings pattern matching  ( Regular expressions ).

- Java simplified the programming burdens of c /c ++ developers

Pro:
- But  PYTHON made programming more easier than JAVA.

-Tcl / Tk is specialized in system calls implementation

Pro
- But PYTHON made this even more easier.

PYTHON = POWERFUL PROGRAMMING LANGUAGES  + POWERFUL SCRIPTING LANGUAGES 

https://docs.python.org/3.7/tutorial/index.html

Indentation is very important, while your writing the code, otherwise it made lead to the syntax error.

Please make sure the datatype, for example string the output is different and for the integer the output is different.