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.

['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']
32775

['6957', '4603', '5299', '8451', '9803', 'b']
35113

['6681', '1971', 'P', '5895', '8853', '1987', '2515', '7343', 'a', '6677', '8097', 'q']

50019