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: ['h', '1157', 'm', '8975', '6165', '7491', '1855', '3489', '9629', '631', '9641']

A: 49033
****
Q: ['U', '5607', 'Q', 'j', 'I', '3745', '3031']

A: 12383
****
Q: ['O', '7689', '3651', '6519', 'm', 'M', 'x', '6719', 'I', 'c']

A:
24578
****