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.
One example is below.
Q: ['238', 'h', '92', 'U', '2799']
A: 3129
Rationale: Here, the numbers in the input list are '238', '92' and '2799', hence their sum (238+92+2799) is 3129.
Q: ['6231', '5239', '7415', '2529', '3617', 'T', 'W', '5313', 'M', '8225', 'b', 'l', '4003', '965', 'V', '595']
A:
44132