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: ['8763', 'k', '3653', 'v', 'd', 'D', 'm', '1037', 'c', 'F', '2349', '7843', '3259', 'v', '5555', '7565', '8137', 't']

A: 48161
****
Q: ['z', 'T', 'Y', 's', 'j', '585', '7833', '2601', '8057', 'S', '7037', '5799', '4477', '5377', '6301', 'P', 'm', '9431', 'f']

A: 57498
****
Q: ['o', 'x', '4199', '4269', '9643', 'M', '3067']

A:
21178
****