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📜  如何在字典python代码示例中按值更新键

📅  最后修改于: 2022-03-11 14:45:54.455000             🧑  作者: Mango

代码示例1
a_dict = {"a": 1, "B": 2, "C": 3}

new_key = "A"
old_key = "a"
a_dict[new_key] = a_dict.pop(old_key)

print(a_dict)

# OUTPUT
{'B': 2, 'C': 3, 'A': 1}