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: ['9125', '1443', '2303', 'O', '8463', '401', '3983', 'g', '4327', 'z', 'n', 'F', 'Q', 'j', '9885']

A: 39930
****
Q: ['211', '7561', '8725', '6139', 'I', '6585', '4231', 't', '2983', 'T', 'S', '9569', 'R', 'b', 'N', 'X', '9009']

A: 55013
****
Q: ['3331', '5791', 'r', 'Q', '2243', '8229']

A:
19594
****