Dictionary Methods in Python
Python dictionaries come with several built-in methods that help you manage, access, and modify data efficiently. Below is a rewritten explanation of the most commonly used dictionary methods, along with fresh examples for better understanding.
1. clear()
Removes all items from the dictionary.
2. copy()
Creates and returns a separate copy of the dictionary.
3. fromkeys()
Creates a new dictionary using the specified keys and a single default value.
4. get()
Returns the value of a given key. If the key does not exist, it returns
None (or a
default value).
5. items()
Returns a view object containing key–value pairs as tuples.
6. keys()
Returns a view object containing all dictionary keys.
7. pop()
Removes the item with the specified key and returns its value.
8. popitem()
Removes and returns the last inserted key–value pair.
9. setdefault()
Returns the value of a key. If the key does not exist, it inserts the key with a default value.
10. update()
Updates the dictionary with new or existing key–value pairs.
11. values()
Returns a view object containing all dictionary values.
