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Python Python Basics (2015) Logic in Python Try and Except

jiahuang zhou
jiahuang zhou
3,692 Points

how to solve the problem

how to input the varible

trial.py
def add(a, b):
    return float(a) + float(b)

try: 
    a = input("a: " )
    b = input("b: " )
except ValueError:
    return None
else:
    return add(a, b)

2 Answers

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,441 Points

You have all the elements, they need to be rearranged:

def add(a, b):
    try: 
        return float(a) + float(b)
    except ValueError:
        return None
jiahuang zhou
jiahuang zhou
3,692 Points

thank you so much...