10 Python Pattern Program -Right Angle Triangle without using any predefined method using While loop

Printing the various patterns are most common asked programming questions in the interview.
Python programming language is quite easy to learn.
Patterns can be printed in python using simple while/for loops.
Manipulating the print statements, different number patterns, alphabet patterns or Star (*) or asterisk patterns can be printed.

Right Angle Triangle/Pyramid Pattern without using any pre-define method using While loop in python and Visual Studio.