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.

['a', '8619', 'v', '8727', '779', 'S', 'u', 'P', '2811', 'h', '2029', 'M', 'Y', '4547', 'B', 'J', '3157', '2629', '465']
1, 8619, 22, 8727, 779, 19, 21, 16, 2811, 8, 2029, 13, 25, 4547, 2, 10, 3157, 2629, 465

['4085', '2565', '701', '1367', '9349', '7415', '3509', 'j', '7311', 'z', 'r', '1845', '5165', '3653', 't', '1379', '9281', '371', '4001', '1411', '3747', 'l', 'd', 'J', '6795', '7629', 'O', '1769', '9391', 'r', '3205']
4085, 2565, 701, 1367, 9349, 7415, 3509, 10, 7311, 26, 18, 1845, 5165, 3653, 20, 1379, 9281, 371, 4001, 1411, 3747, 12, 4, 10, 6795, 7629, 15, 1769, 9391, 18, 3205

['1645', 'T', '4387', '1397', '2129', '2209', '5351', '375', 'g', '2889', '7341', '3063', '7087', '7147', 'v', 'E', '4945', 'l', 's', '5153', '7769', '8315', '2187', '1393', 'H', '4117', '9879', '3289', 'h', 'Z', '3861', '6409', 'm', '4213', '6073', '61', '197', '433', '451']

1645, 20, 4387, 1397, 2129, 2209, 5351, 375, 7, 2889, 7341, 3063, 7087, 7147, 22, 5, 4945, 12, 19, 5153, 7769, 8315, 2187, 1393, 8, 4117, 9879, 3289, 8, 26, 3861, 6409, 13, 4213, 6073, 61, 197, 433, 451