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: ['211', '7561', '8725', '6139', 'I', '6585', '4231', 't', '2983', 'T', 'S', '9569', 'R', 'b', 'N', 'X', '9009']

A: 55013
****
Q: ['m', 'e', 'W', 'N', '4459', '693', '3765', '2641']

A: 11558
****
Q: ['U', 'F', '7973', '141', 'c', '5373', 'u', 'x', 'h', '3825', 'k', 'h', 'u']

A:
17312
****