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

Ramon Berke
Ramon Berke
637 Points
Posted by Ramon Berke
Ramon Berke
637 Points

I am stuck in this task can somebody tell me my mistake?

The task says "We should handle cases where we get a non-number, though. Add a try block before where you turn your arguments into floats. Then add an except to catch the possible ValueError. Inside the except block, return None. If you're following the structure from the videos, add an else: for your final return of the added floats."I wrote this but the bummer says"Try again!". Can somebody tell me my mistake

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

1 Answer

Reyam Marcos
PLUS
Reyam Marcos
Courses Plus Student 10,367 Points
Reyam Marcos
Reyam Marcos
Courses Plus Student 10,367 Points

Hi,, your try execpt and else should be inside of your function, and you have an extra () on your return's

def add(one , two):
    try:
        return float(one) + float(two)
    except ValueError:
        return None
    else:
        return float(one) + float(two)

hope this helps

Ramon Berke
Ramon Berke
637 Points
Ramon Berke
Ramon Berke
637 Points

Thank you so much, it worked.