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: ['a', 'q', '4085', '6327', '6869', 'Z', 't', '7057', '1965', 'p', 'o']

A: 26303
****
Q: ['1709', 'S', 'w', '7725', 'Z', '7755', '8081', '897', 'N', '4449', 'F', 'F', 'M', 'y', 'B', 'h', 's', 'l', 's', '415']

A: 31031
****
Q: ['L', '7371', '2027', 'p', '7927', '4719', '7975', '941', 'k', 'o']

A:
30960
****