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: ['z', '9173', 's', '8937', 'h', '1881', '7929', 'b', '2441']

A: 30361
****
Q: ['2691', '3861', '7087', '4661', '6527']

A: 24827
****
Q: ['5341', 'o', '1005', 'x', 'm', 'j', 'i', 'Z', '4427', 'h', '2103', '9087', 'z', 'W', '1161', 'v', '1041', '5501']

A:
29666
****