What are the keys in a Python dictionary?
In Python, keys in a dictionary are unique identifiers used to access values. They can be of any immutable type.
Can you give me an example of how to create a dictionary with keys?
Sure! Here's an example: my_dict = {'name': 'Alice', 'age': 25}
. Here, 'name' and 'age' are the keys.
What happens if I use the same key twice?
If you use the same key twice, the last value assigned to that key will overwrite the previous one.
How can I retrieve a value using a key?
You can retrieve a value by using the key in square brackets, like this: my_dict['name']
will return 'Alice'.
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