Python 3 reference · Dictionary Methods

Python Dictionary clear() Method

Remove every key and value from the dictionary in place, leaving it empty. Other references see the change too.

Syntax

dict.clear()

None.

Empty a dictionaryTry it yourself

cache = {"a": 1, "b": 2}
cache.clear()
print(cache)

Output

{}

Other references see it tooTry it yourself

settings = {"x": 1}
alias = settings
settings.clear()
print(alias)  # same object, also empty

Output

{}

Version	Change
Python 3.0	Added

dict.pop() · Remove a key and return its value. Returns the default if given and the key is missing; otherwise raises KeyError.
dict.popitem() · Remove and return the last inserted (key, value) pair (LIFO order). Raises KeyError if the dict is empty.
list.clear() · Remove every item from the list in place, leaving an empty list. Other references see the change too.
Python Dictionaries · tutorial