Python Dictionary - keys() Method
The Python keys() method is used to display a list containing all keys present in the dictionary. If the dictionary is modified, the display object also gets updated.
Syntax
dictionary.keys()
Parameters
No parameter is required.
Return Value
Returns dict_keys containing all keys present in the dictionary.
Example:
In the example below, the keys() method is used to display all keys present in the given dictionary.
Info = { 'name': 'John', 'age': 25, 'city': 'London' } #display a list of all keys present in the dictionary. x = Info.keys() print(x) #Adding a new field, display object also gets changed. Info['hobby'] = 'Swimming' print(x)
The output of the above code will be:
dict_keys(['name', 'age', 'city']) dict_keys(['name', 'age', 'city', 'hobby'])
❮ Python Dictionary Methods