what is the use of string formatting in python

Answer 1

Easier to read code

a = 24
b = 'dragons'

print('There are ' + str(a) + b)

print(f'There are {a} {b}')

both print statements print the same thing. One is way easier to read

Answer 2

Its primary use is for substitution and assignments

Answer 3

You may find answer in:-
1) http://technofission.com/string-formatting-in-JUMP_LINK__&&__python__&&__JUMP_LINK/
2) https://www.reddit.com/r/learnpython/comments/45e9cc/advantages_of_formatting/