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: ['j', 'A', 'L', 'i', 'I', '3827', '8245', 'H', 'J', '8117', 'w', '4659', 'Y', 'x', 'K']

A: 24848
****
Q: ['3331', '5791', 'r', 'Q', '2243', '8229']

A: 19594
****
Q: ['S', '2535', '9183', '9973', '4299', '5903', 'T', '9171', '2087']

A:
43151
****