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: ['3565', 'z', '8811', 'z', 'U', '113', 'I', '1307', '135', 'V', 'P', '5183', '2505', '4863', '1113', 'A', '7575', '827', 'B']

Answer: 35997


Question: ['211', '7561', '8725', '6139', 'I', '6585', '4231', 't', '2983', 'T', 'S', '9569', 'R', 'b', 'N', 'X', '9009']

Answer: 55013


Question: ['2789', '1019', 'A', '6825', '1063', '8651', 'w', 'f', '9527', 'A', '5935', 'S']

Answer:
35809