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📜  python isset key - Python 代码示例

📅  最后修改于: 2022-03-11 14:47:06.203000             🧑  作者: Mango

代码示例1
# You can use 'in' on a dictionary to check if a key exists
d = {"key1": 10, "key2": 23}
"key1" in d
# Output:
# True