Python List reverse()

The list reverse() method reverses the items of a list. Here's a quick example:

models = ['Claude', 'ChatGPT', 'Gemini']

models.reverse()
print(models)

Output

['Gemini', 'ChatGPT', 'Claude']

reverse() Syntax

The syntax of reverse() is:

my_list.reverse()

Arguments

reverse() doesn't take any arguments.

Return Value

reverse() doesn't return any value (returns None).

Example: Reverse a List

models = ['Claude', 'ChatGPT', 'Gemini']
print(f'Original List: {models}')

# Reverse list
models.reverse()
print('Reversed List:', models)

Output

Original List: ['Claude', 'ChatGPT', 'Gemini']
Reversed List: ['Gemini', 'ChatGPT', 'Claude']

It's important to remember that reverse() reverses the original list. Therefore, if you need the original list unmodified, copy it first using the copy() method.

Another way to reverse a list is by using slicing.

Example: Reverse a List Using Slicing

models = ['Claude', 'ChatGPT', 'Gemini']

reversed_models = models[::-1]
print(reversed_models)

Output

['Gemini', 'ChatGPT', 'Claude']

To learn more about how the above program works, visit Python slicing.

Example: Access Items in Reversed Order

If you need to access items of a list in reverse order (without modifying the original list), you can do it using the reversed() function.

models = ['Claude', 'ChatGPT', 'Gemini']

for model in reversed(models):
    print(model)

Output

Gemini
ChatGPT
Claude

Also Read:

• Python sorted() Function - Sort items of any iterable and return a list.
• Python list sort() - Sort items of a list.