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Python List reverse()

In this tutorial, we will learn about the Python List reverse() method with the help of examples.

The reverse() method reverses the elements of the list.

Example

# create a list of prime numbers
prime_numbers = [2, 3, 5, 7]

# reverse the order of list elements prime_numbers.reverse()
print('Reversed List:', prime_numbers) # Output: Reversed List: [7, 5, 3, 2]

Syntax of List reverse()

The syntax of the reverse() method is:

list.reverse()

reverse() parameter

The reverse() method doesn't take any arguments.


Return Value from reverse()

The reverse() method doesn't return any value. It updates the existing list.


Example 1: Reverse a List

# Operating System List
systems = ['Windows', 'macOS', 'Linux']
print('Original List:', systems)

# List Reverse systems.reverse()
# updated list print('Updated List:', systems)

Output

Original List: ['Windows', 'macOS', 'Linux']
Updated List: ['Linux', 'macOS', 'Windows']

There are other several ways to reverse a list.


Example 2: Reverse a List Using Slicing Operator

# Operating System List
systems = ['Windows', 'macOS', 'Linux']
print('Original List:', systems)

# Reversing a list	
# Syntax: reversed_list = systems[start:stop:step] reversed_list = systems[::-1]
# updated list print('Updated List:', reversed_list)

Output

Original List: ['Windows', 'macOS', 'Linux']
Updated List: ['Linux', 'macOS', 'Windows']

Example 3: Accessing Elements in Reversed Order

If you need to access individual elements of a list in the reverse order, it's better to use the reversed() function.

# Operating System List
systems = ['Windows', 'macOS', 'Linux']

# Printing Elements in Reversed Order
for o in reversed(systems): print(o)

Output

Linux
macOS
Windows
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