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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.
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log the input using print(drone, lamps) and rethink your algo
your code/algo always assumes that len(lamps)>len(drone), when len(drone) is sometimes greater than len(lamp)
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Try your function with this string:
"aaa"or this one:"". It's a problem with your code.but when I print data, it is correct
Not a kata issue, print the input, read this: https://docs.codewars.com/training/troubleshooting#print-input
And mark your post as having spoiler content next time, please.
This comment is hidden because it contains spoiler information about the solution