codes et réponses python du code de triche pdf
first = {1, 2, 3, 4}
second = {1, 5}
first | second # {1, 2, 3, 4, 5}
first & second # {1}
first - second # {2, 3, 4}
first ^ second # {2, 3, 4, 5}
if 1 in first:
...
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