Python List clear() method with Examples

Python List clear() method with Examples on append(), clear(), extend(), insert(), pop(), remove(), index(), count(), pop(), reverse(), sort(), copy(), all(), bool(), enumerate(), iter(), map(), min(), max(), sum() etc.

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Python List clear() Method

Python clear() method removes all the elements from the list. It clear the list completely and returns nothing. It does not require any parameter and returns no exception if the list is already empty. The syntax and examples are described below.

Signature

clear()

Parameters

No parameter

Return

It returns None.

Let's see some examples of clear() method to understand it's functionality.

Python List clear() Method Example 1

Let's see a simple example in which clear() method is used to clear a list. The clear() method clears all the elements from the list.

# Python list clear() Method
# Creating a list
list = ['1','2','3']
for l in list:  # Iterating list
    print(l)
list.clear()
print("After clearing:")
for l in list:  # Iterating list
    print(l)

Output:

1
2
3
After clearing:

Python List clear() Method Example 2

If the list is already empty, the method returns nothing. See the example below.

# Python list clear() Method
# Creating a list
list = []
for l in list:  # Iterating list
    print(l)
list.clear()
print("After clearing:")
for l in list:  # Iterating list
    print(l)

Output:

After clearing:

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