What are key errors in Python dictionaries?
Key errors occur when you try to access a dictionary with a key that doesn't exist.
How can I avoid key errors when working with dictionaries?
You can use the get()
method or check if the key exists using the in
keyword before accessing it.
Can you show me an example of using the get()
method?
Sure! Instead of my_dict[key]
, you can use my_dict.get(key, default_value)
to avoid errors.
What happens if I don't provide a default value in get()
?
If the key doesn't exist and no default value is provided, get()
will return None
.
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