Day 69: Python Program to Reverse a String Without using Recursion

 

def reverse_string(s):

    return s[::-1]

input_string = input("Enter a string: ")

reversed_string = reverse_string(input_string)

print("Reversed string:", reversed_string)

#source code --> clcoding.com 

Code Explanation:

def reverse_string(s):

    return s[::-1]

This defines a function named reverse_string that takes one parameter, s (a string).

s[::-1]: This uses Python's slicing syntax to reverse the string:

s[start:end:step]: A slice of the string s is created with the given start, end, and step values.

:: without specifying start and end means to consider the entire string.

-1 as the step value means to traverse the string from the end to the beginning, effectively reversing it.

The reversed string is then returned by the function.

Getting User Input

input_string = input("Enter a string: ")

This prompts the user to enter a string.

The entered string is stored in the variable input_string.

Calling the Function

reversed_string = reverse_string(input_string)

The reverse_string function is called with input_string as the argument.

The reversed version of the string is returned by the function and stored in the variable reversed_string.

Printing the Result

print("Reversed string:", reversed_string)

This prints the reversed string to the console with the label "Reversed string:".