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.

['K', 'z', '7579', '7945', 'K', '5633', 'G', '7211', '9855', 'c', '4155']
11, 26, 7579, 7945, 11, 5633, 7, 7211, 9855, 3, 4155

['O', '3219', 'G', '1495', '4977', 't', '277', '6411', 'I', 'o', '7879', '3811', '581', '7163', 'Q', '9781', '9539', '2763', 'V', '8255', '6099', '4211', '3687', 'g', '9241']
15, 3219, 7, 1495, 4977, 20, 277, 6411, 9, 15, 7879, 3811, 581, 7163, 17, 9781, 9539, 2763, 22, 8255, 6099, 4211, 3687, 7, 9241

['739', 'i', '9987', 'N', '7649', 'a', 'Q', '4143', '8091', '9845', '2401', '1977', '2947', '7073', 'k', '8219', 'J', 'q', '5903', '2333', '7241', '3157', 'B', 'S', '8357', 'F', 't', '229']

739, 9, 9987, 14, 7649, 1, 17, 4143, 8091, 9845, 2401, 1977, 2947, 7073, 11, 8219, 10, 17, 5903, 2333, 7241, 3157, 2, 19, 8357, 6, 20, 229