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.

['j', 'u', '7291', 'i', '3329', 's', 'p', 'A', 'h', 'i', 'a', 's', '6987', '7169', 'T', 'K', 'C', '4991', 'A', 'A', 'h', '6997', 'h']
10, 21, 7291, 9, 3329, 19, 16, 1, 8, 9, 1, 19, 6987, 7169, 20, 11, 3, 4991, 1, 1, 8, 6997, 8

['565', '6701', 'P', 'Z', 's', '6915', '7931', '1403', '8957', '8999', 'K', 'p', 'M', 'f', '3551', '9433', 'j', '8891', '883', '7883', '8595', '7429', 'w', '4289', '5903']
565, 6701, 16, 26, 19, 6915, 7931, 1403, 8957, 8999, 11, 16, 13, 6, 3551, 9433, 10, 8891, 883, 7883, 8595, 7429, 23, 4289, 5903

['O', 'B', 'x', 'o', '4575', 'a', '4477', '1091', '855', '7491', '4019', '3827', 'P', '1417', '9783', 's', 'S', 'T', 'K', 'u', 't', 'K', '9203', 'c', '9449', '2311']

15, 2, 24, 15, 4575, 1, 4477, 1091, 855, 7491, 4019, 3827, 16, 1417, 9783, 19, 19, 20, 11, 21, 20, 11, 9203, 3, 9449, 2311