Reverse a String
Learn all about Reverse a String in this comprehensive tutorial.
- •Learn how to reverse a String in Python.
- •We have a string, "Hello World", which we want to reverse:
- •If you like to have a function where you can send your strings, and return them backwards, you can create a function and insert the code from the example above.
- •Create a function that takes a String as an argument.
Introduction
Learn how to reverse a String in Python.
There is no built-in function to reverse a String in Python.
The fastest (and easiest?) way is to use a slice that steps backwards, -1.
Example Explained
We have a string, "Hello World", which we want to reverse:
The String to Reverse
Create a slice that starts at the end of the string, and moves backwards.
In this particular example, the slice statement [::-1] means start at the end of the string and end at position 0, move with the step -1, negative one, which means one step backwards.
Slice the String
Now we have a string txt that reads "Hello World" backwards.
Print the String to demonstrate the result
Print the List
Create a Function
If you like to have a function where you can send your strings, and return them backwards, you can create a function and insert the code from the example above.
Example Explained
Create a function that takes a String as an argument.
Create a Function
Slice the string starting at the end of the string and move backwards.
Slice the String
Return the backward String
Return the String
Call the function, with a string as a parameter:
Call the Function
Print the result:
Print the Result
Module quiz
2 questionsWhich of the following is true about Reverse a String?
What is the most common pitfall when working with Reverse a String?
Answer all questions to submit.