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: ['5233', 'i', 'Z', 'v', '4531', 'j', '61', '1725', '5915', '1677', 'F', 'K', 'M', 'Z']

Answer: 19142


Question: ['o', '445', '2601', 'h', 'V', 'C', 't', 'o', 'H', '3707', '7601']

Answer: 14354


Question: ['7161', '6633', '4067', 'L', 'l', '185', '2727', '4549', 'l', '9385', '8807']

Answer:
43514