There are many problems are solved simply by repetition or using math. These may require the use of while loops, for loops, or cycling through lists multiple times to solve the problem.
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Necklace Sequence Necklace numbers are a number sequence. You start with 2 digits. The 3rd digit is created by adding the previous 2 digits, but if it's greater than 10, you add the sum of those 2 digits again. You keep repeating this process until you get back to the 2 digits you started with extra: What is the shortest necklace number sequence that can be made?
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