Answer 1

return is used in functions to give back data like string, integer, float, bool or other objects to the calling expression. so in the following example return will give back a calculation of 2 integer values given from the calling expression.

def cal(x, y):
return x**2 + y**2

print(cal(2,3))

# result will be 13

see also python tutorial :
https://www.sololearn.com/learn/Python/2287/