To get the length of a string in Python we can use the **len()** function.

The len() function accepts only one parameter and that is a string.

It returns an integer with the number of characters in the string.

**Example of how to calculate the length of a string**

The following snippet shows a basic example of how you can use this function to calculate the length of a string.

book = "The Snowball: Warren Buffett and the Business of Life"

len(book)

len(book)

Output:

53

So with the len function you get the length of the string. If you want to do more calculations with the result, see our article about basic math in Python.