python中的Ellipsis对象。写作:… 中文解释:省略 该对象bool测试是为真 用途： 1.用来省略代码，作用类似于pass的一种替代方案.
from collections.abc import Iterable def changelist(key): if isinstance(key, Iterable) and len(key) == 3 and key[1] is Ellipsis: return range(key[0], key[-1] + 1) def will_do_something(): ... SelectorEventLoop = ... l=[1,...,80] make = changelist(l) print(list(make))输出
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80]转载于:https://www.cnblogs.com/c-x-a/p/10341647.html
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