Table of Contents
In this tutorial, we will learn about the Python List clear() method with the help of examples.
The clear() method removes all items from the list.
Example
prime_numbers = [2, 3, 5, 7, 9, 11]
# remove all elements
prime_numbers.clear()
# Updated prime_numbers List
print('List after clear():', prime_numbers)
# Output: List after clear(): []
1. Syntax of List clear()
The syntax of clear() method is:
list.clear()
2. clear() Parameters
The clear() method doesn’t take any parameters.
3. Return Value from clear()
The clear() method only empties the given list. It doesn’t return any value.
4. Example 1: Working of clear() method
# Defining a list
list = [{1, 2}, ('a'), ['1.1', '2.2']]
# clearing the list
list.clear()
print('List:', list)
Output
List: []
Note: If you are using Python 2 or Python 3.2 and below, you cannot use the clear() method. You can use the del operator instead.
5. Example 2: Emptying the List Using del
# Defining a list
list = [{1, 2}, ('a'), ['1.1', '2.2']]
# clearing the list
del list[:]
print('List:', list)
Output
List: []
Visit this page to learn how del operator works in Python.
Related posts:
Python String isalpha()
Finding Max/Min of a List or Collection
Python String format()
Python oct()
Python round()
Python String startswith()
Python hex()
Ways to Iterate Over a List in Java
Python Inheritance
Python Set discard()
Python Machine Learning - Sebastian Raschka
Python Program to Sort a Dictionary by Value
Python List remove()
Python Set intersection()
Python Program to Remove Duplicate Element From a List
Python Dictionary
Python Set symmetric_difference()
Python Program to Reverse a Number
Machine Learning Mastery with Python - Understand your data, create accurate models and work project...
Python Tuple index()
Python Program to Find Numbers Divisible by Another Number
Python Machine Learning Second Edition - Sebastian Raschka & Vahid Mirjalili
Python Program to Return Multiple Values From a Function
Java List UnsupportedOperationException
Python Program to Get the Full Path of the Current Working Directory
Python Keywords and Identifiers
Python callable()
Python Machine Learning Third Edition - Sebastian Raschka & Vahid Mirjalili
Python Program to Trim Whitespace From a String
Converting Between a List and a Set in Java
Python exec()
Learning scikit-learn Machine Learning in Python - Raul Garreta & Guillermo Moncecchi
