Sum Numbers

Sum Numbers

In a given text you need to sum the numbers while excluding any digits that form part of a word.

The text consists of numbers, spaces and letters from the English alphabet.

example

Input: A string (str).

Output: An integer (int).

Examples:

assert sum_numbers("hi") == 0
assert sum_numbers("who is 1st here") == 0
assert sum_numbers("my numbers is 2") == 2
assert (
    sum_numbers(
        "This picture is an oil on canvas painting by Danish artist Anna Petersen between 1845 and 1910 year"
    )
    == 3755
)
40