[Python] Quiz question?

I really don't know what to place in there. Could you help me, please ? https://code.sololearn.com/Wa247A226a18/# Thanks for your time.

12/24/2020 2:36:26 PM

2 Answers

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Please close the img tag to understand your question clearly https://www.sololearn.com/Discuss/2628154/?ref=app

▲TopGun ▲, I think you should fill -> len.