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

vishnu Gautam d
vishnu Gautam d
860 Points
Posted by vishnu Gautam d
vishnu Gautam d
860 Points

i cannot complete the 3rd quiz about adding try and except in a function.

Please help me with the answer.

trial.py 
def add(num1,num2):
    try:
        num1 = float(num1)
        num2 = float(num2)
    except ValueError:
        return none
else:
    return (num1 + num2)

2 Answers

andren
andren
28,558 Points
andren
andren
28,558 Points

Your code is almost correct. There are only two issues:

  1. You have to return None not none (capitalization matters) in the except clause.

  2. The else statement has to be indented to be on the same level as the try block it is attached to.

Like this:

def add(num1,num2):
    try:
        num1 = float(num1)
        num2 = float(num2)
    except ValueError:
        return None
    else:
        return (num1 + num2)
vishnu Gautam d
vishnu Gautam d
860 Points
vishnu Gautam d
vishnu Gautam d
860 Points

Thank you andren, i hope you would help clearing my doubts in the future.

prateekmahesh
prateekmahesh
5,454 Points
prateekmahesh
prateekmahesh
5,454 Points

On line 6, you must have 

return None

The 'N' none should be in uppercase not lowercase The same thing works with booleans -True or False