Python Dictionary Methods

Python Dictionary

• Dictionary is the completely different data structure of python which allows only pairs. 

• Dictionary store the key value pairs where key can never be duplicates and non hash-able type but values can be duplicates or hash-able or not. 

• A dictionary is a collection which is unordered, changeable and indexed. 

• A dictionary is network traveler.  

• Indexing and slicing not supported. but we take data out with the help of keys.

Python Dictionary Methods

Python has a set of built-in methods that you can use on dictionaries.

Method	Description
clear()	Removes all the elements from the dictionary.
copy()	Returns a copy of the dictionary.
fromkeys()	Returns a dictionary with the specified keys and value.
get()	Returns the value of the specified key.
items()	Returns a list containing a tuple for each key value pair.
keys()	Returns a list containing the dictionary's keys.
pop()	Removes the element with the specified key.
popitem()	Removes the last inserted key-value pair.
setdefault()	Returns the value of the specified key.
update()	Updates the dictionary with the specified key-value pairs.
values()	Returns a list of all the values in the dictionary.