No Need, but some use semi-colon in Python. Here's Why!

Yeah, in python it's not mandatory to end a statement with semi-colon. But some people uses it because it also have a use in python.

Use of ';' in python

In python also Semi-colon is used to end a statement but what it allows is that you can continue to write the next statement in the same line.
Means if you use a ; the you don't have to change to new line you can just start with new sentence.

something like this

if this_is_bad_code: rewrite_code(); make_it_more_readable();

source: python.org