I don't understand, why is foo() returning None?
def foo(a,b):
if a+b == 12:
return True
print(foo(7,5)) # Works fine
print(foo(1,3)) # prints None
You should return another bool if a+b is not 12
def foo(a,b):
if a+b == 12:
return True
else:
return False
answer1 = foo(1,3)
answer2 = foo(7,5)
if answer1:
print "1 + 3 = 12"
if answer2:
print "7 + 5 = 12"
foo() will return True if a+b == 12, if not should return False
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