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

Anurag k
Anurag k
902 Points
Posted by Anurag k
Anurag k
902 Points

exception handling

this code is not working can anyone please help?

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

1 Answer

Moosa Bonomali
Moosa Bonomali
6,297 Points
Moosa Bonomali
Moosa Bonomali
6,297 Points

The try: except: else: blocks should be inside the function like this;

def add(a,b):    
    try:
         a=float(a)
         b=float(b)
    except ValueError:
         return None
    else:
         return a+b