Python program: Reverse a given string

Python program: Reverse a given string

In this article, we will discuss the concept of the Python program: Reverse a given string

In this post, we are going to learn how to make a reverse string in Python programming language

Program to make the reverse of a string using for loop

The program allows to enter a String and it makes and displays  the reversed String using for loop in Python language

Program 1

#Python program to reverse a given String
str=input("Please enter a String: ")
s=""
for ch in str:#use for loop for reversed a string
    s=ch+s

print("The reversed string is: ",s)

When te above code is executed, it produces the following result

Please enter a String: Python
the reversed string is: nohtyP

 

Program to make the reverse of a string using while loop

The program allows to enter a String and it makes and displays the reversed String using while loop in Python language

Program 2

#Python program to reverse string using while loop
string=input("Please enter a string: ")

string1=' '

i=len(string)-1

while(i>=0):
    string1=string1+string[i]
    i=i-1

print("\nGiven String: ",string)
print("\nReversed String: ",string1)

When te above code is executed, it produces the following result

Please enter a string: My String
Given String: My String
Reversed String: gnirtS yM

 

Program to Create reverse of a string using a user-defined function

Program 3

The program allows to enter a String and it makes and displays the reversed String using the function in Python language

#Python program to reverse a given String
#using a user-defined function
mystr=input("Please enter a String: ")

def reverse(str):
  s=""
  for ch in str:#use for loop for reversed a string
    s=ch+s
  return s

#reversed string
print("The reversed string is: ",reverse(mystr))#call the function

When te above code is executed, it produces the following result

Please enter a String: Python language
the reversed string is: egaugnal nohtyP

 

Suggested for you

for loop in Python

while loop in Python

Function in Python

 

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