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: ['2895', '8095', 'y', '1927', '4827']

Answer: 17744


Question: ['4529', '7465', 'S', 'Z', 'v', 'w', '5791', '3363', '2643']

Answer: 23791


Question: ['9073', 'j', '9431', 'R', '5215', 'f', 'O', '8497', '9785', '2285']

Answer:
44286