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📜  python 检查密钥是否存在 - Python 代码示例

📅  最后修改于: 2022-03-11 14:47:17.084000             🧑  作者: Mango

代码示例6
# Check if key exists
if session.get("key") == None:
    # Do something if it doesnt exist
else:
    # Do something else if it does exist