Overview of Functions in Python - LESSON 5 - FUNCTIONS ASSIGNMENT 1

LESSON 5 - FUNCTIONS ASSIGNMENT 1

"""Both codes below provide the same output"""

def subtractor(a, b):
	print "I'm a function. My name is {}".format(subtractor.__name__)
	print "I'm about to subtract {} and {}\n\n".format(a,b)

if __name__ == '__main__' # Why is this necessary to have in the code if the output is still the same?
	subtractor(3, 2)


def subtractor(a, b):
	print "I'm a function. My name is {}".format(subtractor.__name__)
	print "I'm about to subtract {} and {}\n\n".format(a,b)

subtractor(3, 2)

Output:
I'm a function. My name is subtractor
I'm about to subtract 3 and 2