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.
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Question: ['8809', '4559', '2715', 'w', '9903', 'h', 'u', 'F', '9369', '6149']

Answer: 41504


Question: ['2225', '1925']

Answer: 4150


Question: ['9361', 'l', '9271', '9785', '4213', 'c', 'K', 'H', 'Q', 'v']

Answer:
32630