How to Reverse a String in Python

string_example = "Hello World"

reversed_string = string_example[::-1]

print(reversed_string)

def reverse_string(my_string: str) -> str:
    """
    Reverse a string
    :param my_string: The string you wish to reverse.
    :return: The reversed string
    """
    return my_string[::-1]


string_example = "Hello World"

print(reverse_string(string_example))

dlroW olleH

import pytest

# Assuming the reverse_string function is stored under app.string_operations
from app.string_operations import reverse_string


@pytest.mark.parametrize("input_string, expected_output", [
    ("hello", "olleh"),
    ("12345", "54321"),
    ("a", "a"),
    ("", "")
])
def test_reverse_string(input_string, expected_output):
    """
    Test the reverse_string function across various input strings.

    :param input_string: The input string to be reversed.
    :param expected_output: The expected output after reversing the input string.
    """
    assert reverse_string(input_string) == expected_output

============================= test session starts =============================
collecting ... collected 4 items

test_string_operations.py::test_reverse_string[hello-olleh] PASSED       [ '25%']
test_string_operations.py::test_reverse_string[12345-54321] PASSED       [ '50%']
test_string_operations.py::test_reverse_string[a-a] PASSED               [ '75%']
test_string_operations.py::test_reverse_string[-] PASSED                 ['100%']

============================== 4 passed in '0.01s' ==============================