How to Handle KeyErrors in Python – with Code Examples
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How to Handle KeyErrors in Python – with Code Examples 관련
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How to Handle KeyErrors in Python – with Code Examples
When working with dictionaries in Python, you’d often run into KeyError exceptions. Dictionaries are built-in data structures of key value pairs. So you can look up a value—in constant time—using the corresponding key like so: dict[key] returns value. But what if the key doesn't exist in the dictionary...
