''' Purpose: help introduce tester statement if ( __name__ == '__main__' )
'''

import im_a_module
print( "__name__ =", __name__ )
def test_im_a_module() :

    result = im_a_module.f()   # use function f() from im_a_module that returns 1112 --> stores into variable result
    # if we invoked f() in the im_a_module (line 12-15) --> we will end up with another line of "1112"

    print( "im_a_module.f():", result )  # print result

# invoke the function in this program called test_im_a_module()
test_im_a_module()