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: ['3655', '1349', '6519', '1019', 'v', '4811', '8609', '9147', '8225', '2665', '2627', '5839']

Answer: 54465


Question: ['i', 'o', '5363', '5937', 'x', '6705', 'w', '5495', 'E', '9823', 'F', '83', '8443', '5223']

Answer: 47072


Question: ['6975', '1699']

Answer:
8674