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: ['l', '2511', '2071', 'o', 'F', '7583', '1909', '1859', '3299', '3853', 'h', 'P', 'P', '9175', 'B', 'F']

A: 32260
****
Q: ['n', 'u', '9595', 'M', 'o', 'K', '5073', 'x']

A: 14668
****
Q: ['Y', '1695', '5803', 'X', 'l', 'r', '6009', '1437', 'x', 'Q', '1629', 'E', '9575', 'k', '2069', '4345', 'z', '4417']

A:
36979
****