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.

['8377', '9631', 'H', '1305', 'V', 'I', '6605', '4921', 'k', 'A', 'k', '3503', '607', 'S', '7717', '8601', 'U', '833', '3497', 'x', '9691', '667', '555', 'h', 'v', '3251', '3783', '293', '1361', '7261', 'y', '1309', '8613', '681', 'h']
8377, 9631, 8, 1305, 22, 9, 6605, 4921, 11, 1, 11, 3503, 607, 19, 7717, 8601, 21, 833, 3497, 24, 9691, 667, 555, 8, 22, 3251, 3783, 293, 1361, 7261, 25, 1309, 8613, 681, 8

['v', 'b', '6283', 'n']
22, 2, 6283, 14

['T', '4655', '4981', 'l', '2215', 'u', 'p', 'T', '8703', '6959', '6039', '4093', 'Z', 'n']

20, 4655, 4981, 12, 2215, 21, 16, 20, 8703, 6959, 6039, 4093, 26, 14