Python Dictionary Tutorials
Python – Dictionary example
Basics of a Dictionary
Python – Create a dictionary
Python – Create an empty dictionary
Python – Add item to dictionary
Python – Print dictionary
Python – Dictionary length
Python – Dictionary comprehension
Python - Copy dictionary using Dictionary Comprehension
Access / Traverse Dictionaries
Python – Accessing dictionary
Python – Iterate over dictionary
Python – Loop through key, value in dictionary
Python – Loop through dictionary keys
Python – Loop through dictionary values
Python – Print dictionary keys
Python – Print dictionary values
Update Dictionary
Python – Update dictionary
Python – Merge two dictionaries
Python – Concat dictionary
Python – Delete specific key in dictionary
Python – Remove key based on value in dictionary
Python – Clear or empty a dictionary
Checking Operations on Dictionary
Python – Check if dictionary is empty
Python – Check if dictionary contains specific key
Python – Check if dictionary contains specific value
Conversions to and from Dictionary
Python – Convert dictionary keys to list
Python – Convert dictionary values to list
Python – Convert dictionary to list
Dictionary Methods
Python Dictionary Methods
Python Dictionary clear()
Python Dictionary copy()
Python Dictionary fromkeys()
Python Dictionary get()
Python Dictionary items()
Python Dictionary keys()
Python Dictionary values()
Python Dictionary pop()
Python Dictionary popitem()
Python Dictionary setdefault()
Python Dictionary update()
Dictionary Operations
Python – Sort entries in dictionary based on keys
Python – Sort entries in dictionary based on values
Advanced Topics on Dictionaries
Python – List of dictionaries
Python – Dictionary of lists
Python – Nested dictionary
Python – Write dictionary to file
Python Dictionary Comprehension
Python – Unpack dictionary
Python – Swap keys and values in dictionary
Other Tutorials
Are dictionaries ordered in Python?

Python Dictionary clear()

Python dictionary clear() method

Python dictionary clear() method removes all the items from the dictionary.

In this tutorial, you will learn about dictionary clear() method in Python, and its usage, with the help of example programs.

Syntax of dict clear()

The syntax of dictionary clear() method is

dictionary.clear()

Parameters

The dictionary clear() method takes no parameters.

Return value

The dictionary clear() method returns None.

Please note that the clear() method removes all the items from the original dictionary. The data is lost, and therefore if you need the data later in the program, you may need to make a copy of the original dictionary.

Examples for clear() method

1. Removing all the items in the given dictionary using dict copy() method in Python

In this example, we are given a dictionary in my_dict with some initial key:value pairs. We have to remove all the items in this dictionary.

We shall call clear() method on the given dictionary object my_dict, and print the returned and print the modified dictionary to output.

Python Program

my_dict = {
    'foo':12,
    'bar':14,
    'moo':16
}

my_dict.clear()
print(my_dict)

Output

{}

Summary

In this tutorial of Python Dictionary Methods, we learned how to use Dictionary clear() method to remove all the items from a given dictionary, with help of well detailed Python programs.