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

Karol Zientek
Karol Zientek
2,006 Points
Posted by Karol Zientek
Karol Zientek
2,006 Points

Can't solve the Python challenge! Challenge Try and Except 3rd Task

I can't solve the third task of this challenge, could anyone helm me? Just tell me what is wrong in my challenge, please.

trial.py 
def add(n1,n2):
try:
    return float(n1) + float(n2)
except ValueError:
    return (None)
else:
    return float(n1) + float(n2)

1 Answer

Andreas cormack
.a{fill-rule:evenodd;}techdegree seal-36
Andreas cormack
Python Web Development Techdegree Graduate 33,011 Points

Hi Karol

In your try block just convert the arguments to floats. In the else block return the sum of the arguments. See below

def add(num1,num2):
    try:
        num1 = float(num1)
        num2 = float(num2)
    except ValueError:
        return None
    else:
        return num1 + num2
Karol Zientek
Karol Zientek
2,006 Points
Karol Zientek
Karol Zientek
2,006 Points

Thanks it worked, mate! I really appreciate it!