Hi everyone! My name is Osi and I'm 20 years old. I'm a beginner programmer and I'm excited to share my journey with all of you. I'm looking forward to learning and growing my programming skills, and I'm sure that this community will be a great help to me. I'm sure I'm going to have a lot of fun along the way!
In this mission, You should return a given string in reverse order.
Input: A string.
Output: A string.
Examples:
- assert backward_string("val") == "lav"
- assert backward_string("") == ""
- assert backward_string("ohho") == "ohho"