Python function to reverse a string

Python3 Examples

In Python, we can reverse a string in multiple ways. The following is a simple function example that takes a string as input and returns its reversed version.

Code explanation:

1. def reverse_string(s):Defines a function namedreverse_stringthat takes a parameters。
2. return s[::-1]is the core part of the function.s[::-1]It is a slicing operation in Python, which traverses the entire string from the end with a step of -1, thereby reversing the string.
3. original_string = "Hello, World!"Defines an original string.
4. reversed_string = reverse_string(original_string)Callreverse_stringthe function, and store the result inreversed_stringthe variable.
5. print(reversed_string)Output the reversed string.

Output result:

!dlroW ,olleH

Python3 Examples