How do I use dictionary functions in Python?
In Python, dictionaries have several built-in functions like get()
, keys()
, values()
, and items()
. What would you like to know about them?
Can you explain the get()
function?
Sure! The get()
function retrieves the value for a specified key. If the key doesn't exist, it returns None
or a default value if provided.
What about the keys()
function?
The keys()
function returns a view object that displays a list of all the keys in the dictionary.
How can I check if a key exists in a dictionary?
You can check if a key exists using the in
keyword. For example, if key in my_dict:
will return True
if the key is present.
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