您要查找的关键字是列表推导：
>>> x = [1, 2, 3, 4, 5]>>> y = [2*a for a in x if a % 2 == 1]>>> print(y)[2, 6, 10]
您要查找的关键字是列表推导：
>>> x = [1, 2, 3, 4, 5]>>> y = [2*a for a in x if a % 2 == 1]>>> print(y)[2, 6, 10]
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