In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.

Q: ['q', 't', '4837', 'F', '2367', '1867', '8361', 'm']

A: 17432
****
Q: ['v', '4119', 'I', '475', 'd', 'L', '909', 'F', 'V', '775', 'k', 'A', '9411', '8383', 'W', '1521', 'z', 'j', '7057', 'I']

A: 32650
****
Q: ['1007', 'F', 'v', 'n', 'O', 'G', '9075', '3935', 'F', '4613', 'C', '3099', '403', 'l', '8489', '1965']

A:
32586
****