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.
--------
Question: ['3723', 'v', 'j', 'e', '2017', 'd', '4211', '2079']

Answer: 12030


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

Answer: 47072


Question: ['2609', '2209', '2947', '2869', 'h', '1885']

Answer:
12519