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python/pythonProject/数据类型/列表/index.py
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2025-10-21 18:00:11 +08:00
l = [1,2,3,1,1,1,1,1,1]
# 返回元素第一次出现的下标 index(value,start,end)
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2026-04-14 17:49:40 +08:00
print(l.index(1,5))
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