python涓璸op鍑芥暟鐨勫姛鑳芥湁鍝簺
鍦≒ython涓紝`pop()` 鍑芥暟閫氬父鐢ㄤ簬浠庡瓧鍏镐腑鍒犻櫎鎸囧畾閿紙key锛夊苟杩斿洖鐩稿簲鐨勫€笺€傚叿浣撴潵璇达紝`pop()` 鍑芥暟鏈変互涓嬪姛鑳斤細
1. 鍒犻櫎鎸囧畾閿苟杩斿洖瀵瑰簲鐨勫€硷細
```python
my_dict = {'a': 1, 'b': 2, 'c': 3}
value = my_dict.pop('b')
print(value) # 杈撳嚭: 2
print(my_dict) # 杈撳嚭: {'a': 1, 'c': 3}
```
2. 鎻愪緵榛樿鍊煎弬鏁帮紝闃叉鍑虹幇 KeyError锛?/p>
```python
my_dict = {'a': 1, 'b': 2, 'c': 3}
value = my_dict.pop('d', 'Key not found')
print(value) # 杈撳嚭: 'Key not found'
```
3. 濡傛灉涓嶆彁渚涢粯璁ゅ€煎弬鏁颁笖鎸囧畾鐨勯敭涓嶅瓨鍦紝鍒欎細寮曞彂 KeyError 寮傚父锛?/p>
```python
my_dict = {'a': 1, 'b': 2, 'c': 3}
value = my_dict.pop('d') # KeyError: 'd'
```
鎬讳箣锛宍pop()` 鍑芥暟涓昏鐢ㄤ簬浠庡瓧鍏镐腑鍒犻櫎鎸囧畾閿苟杩斿洖鐩稿簲鐨勫€硷紝鍚屾椂涔熷彲浠ユ彁渚涢粯璁ゅ€间互闃叉 KeyError 寮傚父銆?/p>
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