Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

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

Posted by Kyle & Lainy Clemens-Arbues
Kyle & Lainy Clemens-Arbues
2,640 Points

Keeps saying task one is no longer passing. What am i doing wrong?

I just can’t figure it out and I don’t quite understand Try and except

trial.py 
def add(a,b):
    try:
        count = int(input())
    except ValueError:
        return(None)
    else:
        return(float(a)+float(b))

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,423 Points
Chris Freeman
Chris Freeman
Treehouse Moderator 68,423 Points

The message "Task 1 is no longer passing" is usually caused by an syntax error. In this case, it is caused by a change in functionality. The input statement will not work for functions defined in challenges since there is no "user" present to provide input. The challenge checker will call the defined function with specific arguments and compare the returned value to the expected value.

Hint: replace the input statement with two statements that attempt to convert the inputs "a" and "b" into float values (such as a = float(a)) then change the return statement to return the sum of these two converted values.

Kyle & Lainy Clemens-Arbues
Kyle & Lainy Clemens-Arbues
2,640 Points

Thank you!!! It's all making more sense now :)