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: ['W', 'O', 'c', 'r', 'E', 'w', '9811', '6421', '3543', '4293', '8255', 't', '229', '745', 'w', 'p', '6861', '5305', 'h']

Answer: 45463


Question: ['o', 'L', 'E', 'V', 'D', 's', 'Z', 'm', 'a', '2785', 'I', 'v', 'B', '7909', '1599', 'V', 'N']

Answer: 12293


Question: ['B', 'g', '7037', 'v', 'p', 'L', 'v', '785']

Answer:
7822