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: ['Q', '6383', 'P', '8455', '3881', '5821', 'e', 'v', '1421', 'Q', '6377', '3157', '6407', 'q']

A: 41902
****
Q: ['3565', 'z', '8811', 'z', 'U', '113', 'I', '1307', '135', 'V', 'P', '5183', '2505', '4863', '1113', 'A', '7575', '827', 'B']

A: 35997
****
Q: ['2953', '5217', 'n', 'g', '8457', 'T', 'j', 's', '7243', 'v', '8893', 'n', 'Q', 'F']

A:
32763
****