how do i import a function from a python file to another 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: python include function from another file

from filename_without_py_extension import *
functionFromIncludedFile()

Example 3: how to import functions from another python file

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