Understanding - Beginner, exercise 19

Text

Consider the following Python function:

def f(x):
    r = 0
    x_len = len(x)
    while x_len > 0:
        r = r + x_len
        x_len = x_len - 1
    return r

What is the result of the execution of f("me")?

Solution

3

Additional material

The runnable Python file is available online. You can run it executing the command python exercise_19.py in a shell.