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.

['P', 'P', '1043', 'q', 'O', '295', '8991', 'l', 'L', '6227', 'x', '6161', 'p', '9621']
16, 16, 1043, 17, 15, 295, 8991, 12, 12, 6227, 24, 6161, 16, 9621

['T', '8155', 'c', '3035', 'g', '6081', 'n', '5823', '3227', 'o', 'B', '8365', '317', '2565', '1447', '5003', '9723', '2939', 'i', '2061', 'b', 'L', 'k', '3003', '727', '7533', 'd', '8969', 'D', '43', '3215', '3447', 'K', 'V']
20, 8155, 3, 3035, 7, 6081, 14, 5823, 3227, 15, 2, 8365, 317, 2565, 1447, 5003, 9723, 2939, 9, 2061, 2, 12, 11, 3003, 727, 7533, 4, 8969, 4, 43, 3215, 3447, 11, 22

['p', '7645', '9533', '6185', 'R', 'z', 'k', '8765', 'g', '7895', 'c', '9313', 'F', '4753', '7191', '4409', 'L', 'v', '7491', '9593', 'o', 'O', 'C', 'w', '7491', '7367', '6485', 'j', '3693', 'p', '8759', '1205', 'S', '7047']

16, 7645, 9533, 6185, 18, 26, 11, 8765, 7, 7895, 3, 9313, 6, 4753, 7191, 4409, 12, 22, 7491, 9593, 15, 15, 3, 23, 7491, 7367, 6485, 10, 3693, 16, 8759, 1205, 19, 7047