In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.

['Z', '3475', 'E', 'j', '3677', '1917', 'I', '8059', '4703', '3797', 'J', 'N', '8541', '4289', 'g', 'L', '4629', '6549', '5659']
26, 3475, 5, 10, 3677, 1917, 9, 8059, 4703, 3797, 10, 14, 8541, 4289, 7, 12, 4629, 6549, 5659

['785', '3957', '2269', '1331', 'N', '8075', '3705', 'T', 'n', 'j', '4257', '8441', 'o', '9959', '6535', 'F', '3949', '3071', 'u', 'x', 'S', 'V', 'f', '83', '9939', '9659', 'y']
785, 3957, 2269, 1331, 14, 8075, 3705, 20, 14, 10, 4257, 8441, 15, 9959, 6535, 6, 3949, 3071, 21, 24, 19, 22, 6, 83, 9939, 9659, 25

['9253', '787', '245', 'a', '8057', 'f', '4521', 'J', 'U', '5475', '4911', 'G', 'j', '3065', 'l', '1263', 'a', '3785', '7487', 'l', '9181', '4303', 'c', 'K', 'U', 'F', '6057', '2833', 'o', 'A', '9595', '2657', 'D', '9213', '2229', '3315', 'n']

9253, 787, 245, 1, 8057, 6, 4521, 10, 21, 5475, 4911, 7, 10, 3065, 12, 1263, 1, 3785, 7487, 12, 9181, 4303, 3, 11, 21, 6, 6057, 2833, 15, 1, 9595, 2657, 4, 9213, 2229, 3315, 14