Showing posts with label Python Dictionary Method's. Show all posts
Showing posts with label Python Dictionary Method's. Show all posts

Wednesday, May 27, 2020

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Python Dictionary Method's and python built-in function

Python Dictionary Method's

These are all the built-in methods that you can use to manipulate the python dictionary.

Python Dictionary Method's and python built-in function
Python Dictionary Method's and python built-in function

clear() function in python:- 

clear() method in python dictionary use to remove all elements from a dictionary.

Syntax : -

dictionary.clear() 

copy() method in python dictionary:-

As its name says copy() method gives a copy of the specified dictionary.

Syntax : -

dictionary.copy()

fromkeys() Method : - 

formkeys() method helps to return a python dictionary with specified keys and the specified value.

Syntax : -

dict.fromkeys(keys, value)

get() Method : -  

get() method helps to return the value of the item with the specified key.

Syntax : -

dictionary.get(keyname, value)

items() Method : -  

items() in python dictionary gives the view object that contains key-value pairs of the dictionary, and reflect any changes made to the dictionary

Syntax : -

dictionary.items()

key() Method : -  

key() in python dictionary returns the view object that contains the key of the dictionary as a list and reflects any changes made to the dictionary.

Syntax : -

dictionary.keys()

pop() Method in python: -  

pop() in python follows the same method like remove() function the only difference is pop() function remove the specified item from the dictionary.

Syntax : -

dictionary.pop(keyname, defaultvalue)

remove item will be the return value of pop() function.

popitem() Method in python: -  

popitem() in python dictionary removes the last inserted item into the dictionary.  

Syntax : -

dictionary.popitem()

removed value in popitem() will be the return value in a python dictionary.

Python Dictionary setdefault() Method

setdefault() method gives/returns the value from python dictionary the item with the specified key. If any key does not exist, insert the key, with the specified value.

Syntax : -

dictionary.setdefault(keyname, value)

Python Dictionary update() Method:-

update() method use to inserts the specified items to the python dictionary.

Syntax : -

dictionary.update(iterable)

 values() Method in python dictionary:-

values() method used to return the view object that contains the values of the dictionary, as a list.

Syntax : -

dictionary.values()
Reflect any changes make to the python dictionary