Python – Accessing Items in a Dictionary
Items in a Python dictionary can be accessed by referring to its key name using several methods.
Python – Changing Items in a Dictionary
Items in a Python dictionary can be changed by referring to its key name or using the update() method.
Python – Adding Items to a Dictionary
Adding an item to a Python dictionary is done by using a new index key and assigning a value to it.
Python – Removing Items from a Dictionary
There are multiple ways to remove items from a Python dictionary: the pop(), popitem(), and clear() methods, as well as the del keyword.
Python – Looping Through a Dictionary
Python dictionary items can be accessed by looping through them using a for loop.
Python – Copying a Dictionary
Python dictionaries can be copied using the copy() method or the dict() function.
Python – Working with Nested Dictionaries
A Python dictionary that contains other dictionaries as items is called a nested dictionary, and can be accessed just like a regular dictionary.
Python – Dictionary clear() Method
The Python dictionary clear() method removes all the elements from a dictionary.
Python – Dictionary copy() Method
The Python dictionary copy() method returns a copy of the specified dictionary.
Python – Dictionary fromkeys() Method
The Python dictionary fromkeys() method returns a dictionary with the specified keys and the specified value.
Python – Dictionary get() Method
The Python dictionary get() method returns the value of the item with the specified key.
Python – Dictionary items() Method
The Python dictionary items() method returns a view object that contains the key-value pairs of the dictionary as tuples in a list.
Python – Dictionary keys() Method
The Python dictionary keys() method returns a view object that contains the keys of the dictionary as a list.
Python – Dictionary pop() Method
The Python dictionary pop() method removes the specified item from the dictionary.
Python – Dictionary popitem() Method
The Python dictionary popitem() method removes the item that was last inserted into the dictionary
Python – Dictionary setdefault() Method
The Python dictionary setdefault() method returns the value of the item with the specified key.
Python – Dictionary update() Method
The Python dictionary update() method inserts specified items (dictionary item, or an iterable object with key value pairs) into the dictionary.
Python – Dictionary values() Method
The Python dictionary values() method returns a view object containing the values of the dictionary as a list.