Usage and examples of Python list clear()

List methods in Python

The clear() method removes all items from the list.

The syntax of the clear() method is:

list.clear()

Parameters of clear()

The clear() method does not take any parameters.

The return value of clear()

The clear() method only clears the givenlist. It does not return any value.

Example1: The operation of the clear() method

# Define a list
list = [{1,　2}, ('a'), ['1.1', ''2.2']]
# Clear the list
list.clear()
print('List:', list)

When running the program, the output is:

List: []

Note:If you are using Python 2or Python 3.2and lower versions, the clear() method cannot be used. You can use the del operator instead.

Example2: Use del to clear the list

# Define a list
list = [{1,　2}, ('a'), ['1.1', ''2.2']]
# Clear the list
del list[:]
print('List:', list)

List methods in Python