python 3 how to use function from another file code example

Example 1: how to use function of python file in another python file

from otherPyFileName import function1, function2

out1 = function1(3)
out2 = function2(3)


print(out1, out2)

output ---> WhatEver ftn returns

Example 2: how to import functions from another python file

from file_name import function_name #do not include brackets or file types