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: ['7215', 'd', 'q', 'k', '9301', 'P', 'x', 'C', 'g', 'e', 'o', '2769', '6993', '9769', 'v', '9007', '4131', '8627', 'q']

A: 57812
****
Q: ['w', 'V', '3359', '8847', '7551', '2481', 'Y', 'j', 'L', 'G', '7905', 'v', '4141', '2229', 'k', 'H', '3517', '3885', '3665', 'O']

A: 47580
****
Q: ['8601', '8465', '3393', 'h']

A:
20459
****