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Cool BrozPython Web Development Techdegree Student 724 Points
try and except
challenge task 3 there is an error name Error : name'add' is not defined
def add(num1,num2): try: num1 = float(num1) num2 = float(num2) except valueError: return None else: return (num1+num2) sum= add(2,2) print(sum)
Henrik ChristensenPython Web Development Techdegree Student 38,322 Points
You are not told to add this:
sum= add(2,2) print(sum)
this will make the challenge fail because the challenges are very strict about not adding anything extra.