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smart_multiples = {i: [j for j in range(20) if not j % i] for i in range(2, 10)} print(smart_multiples
1/14/2020 7:29:42 PM
2 Answers
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That's a comprehension creating an iterable. You might wanna read this: https://code.sololearn.com/ck6HicJ6Z8jG/?ref=app
Nidified comprehension, to be exact. The outer one {} is a dictionary comprehension, which generates 8 couples key -> list of multiples of the key. The 8 list of multiples are generated by 8 list comprehensions []
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