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

Posted by Siddharth Pathak
.a{fill-rule:evenodd;}techdegree
Siddharth Pathak
Python Development Techdegree Student 87 Points

i cant understand why none word coming again and again

this is the snapshot of my workspace

https://w.trhou.se/7cdzsj2num

i was making one shopping list and as soon as i add items everything working fine but a word 'NONE' coming continuously

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,454 Points
Chris Freeman
Chris Freeman
Treehouse Moderator 68,454 Points

The function lent does not have a return statement, so it defaults to return None

def lent(length):
    print("Added! list has {} items".format(length))
    return None  # <-- default

        # The last print statement
        print(lent(len(items_list)))
        # effectively becomes
        print(None)

Two options

:point_right: Have lent return the string instead of print it locally

:point_right: change the last statement into a call to lent instead of printing the return value.

Post back if you have more questions. Good luck!!