dict.keys
Access the keys of the dictionary.
Python 3.13
dict.keys()Return value
A dict_keys view that reflects changes to the dictionary; wrap it in list() to get a list.
Examples
List of dictionary keys
Python 3.13
a = {'x': 1, 'y': 2}
print(list(a.keys()))['x', 'y']
The view shows new keys
Python 3.13
a = {'x': 1}
keys = a.keys()
a['y'] = 2
print(keys)dict_keys(['x', 'y'])
Details
Iterating with for key in d and checking key in d work with keys without calling keys().