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: ['b', 'O', '7023', 'q', '2667', '681', 'C', '5707', '7125', 'q', 'Q', '1375', '8869', '6709']

Answer: 40156


Question: ['u', 'i', 'z', 't', '9617', 'd', '3255', 'w', 'S', '3041', '7451']

Answer: 23364


Question: ['l', '2511', '2071', 'o', 'F', '7583', '1909', '1859', '3299', '3853', 'h', 'P', 'P', '9175', 'B', 'F']

Answer:
32260