Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
it only converts the int to string once, and then the list comprehension runs through each character in the converted string.
this is false, the list comprehension runs through each character in the converted string. It would be the same as writing:
for x in str(value):
(do bla)
only one conversion