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How many letters does mississippi have, and how many different letters?
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
How many letters does mississippi have, and how many different letters?
Need a reminder? The key ideaShow
set(word) keeps each letter once.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, compare your working with the solution.
The word has letters. The set of its letters is , so there are different letters.
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