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: ['129', '8667', 'E', '2919', 'e', 'Y', 'h', 'm', '501', '5911', 'q', '4955', 'D', '1369', 'W']

A: 24451
****
Q: ['4401', 'p', 'V', 'l', 'H', '7329', 's', '4717', 'l', '1773', '67', '179', 'l', '6991', 'a', '9377']

A: 34834
****
Q: ['7969', '4553', '6505', '4915', '7735', '2893', 'L', '6765', '7689', '5499', '5541']

A:
60064
****