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: ['597', 'i', 'd', '3201', 'u', '1111', '8563', 'c', 'E', '5983', '6293']

A: 25748
****
Q: ['z', 'T', 'Y', 's', 'j', '585', '7833', '2601', '8057', 'S', '7037', '5799', '4477', '5377', '6301', 'P', 'm', '9431', 'f']

A: 57498
****
Q: ['7703', 'x', 'q', '8771', 'R', 'a', 'r', 'N', 'f', '9877']

A:
26351
****