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', '3629', '6053', '1035', '1717', 'n', 'y', '9585', 'D', '5125', 's', '9801', '2905', 'E', '5797', 'T']

Answer: 45647


Question: ['e', '6633', '131', '7459', '3733']

Answer: 17956


Question: ['167', 'S', '2619', 'S', 'X', 'j', '9353', '2681', '4387', 'f', '2321', '8873', '481', 'Z', 'G']

Answer:
30882