Скачать или смотреть Python Tutorial in Hindi #11 Python Dictionaries : A Comprehensive Guide

Python Tutorial in Hindi #11 Python Dictionaries : A Comprehensive Guide
What are Python dictionaries?
How many types of dictionary are there in Python?
What is dictionary in Python function?
What are the methods of dictionary in Python?
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Common Dictionary Operations:
In Python, a dictionary is a collection of key-value pairs that are unordered, mutable (changeable), and indexed. Dictionaries are used to store data in the form of key-value pairs, where each key is unique and associated with a corresponding value.
len(dict): Returns the number of key-value pairs in the dictionary.
keys(): Returns a view of all keys in the dictionary.
values(): Returns a view of all values in the dictionary.
items(): Returns a view of all key-value pairs as tuples.
in: Checks if a key exists in the dictionary.
dict.pop(key): Removes and returns the value associated with the key.
dict.update(other_dict): Updates the dictionary with key-value pairs from another dictionary.
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