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.

['Q', '5755', 'T', '8841', '1675', 'b', 's', '6861', 'v', '3147', 'O', 'G', 'p', 'i', '6877', 'v', 'P', 'u', '4357', '4171', 'y', 'Z', 's', '6635', 'F', '8927', '6837', '4827', '2235', 'v', '2963', '1975', 'G', '7075', '8185', 'P', '8033', 'U']
17, 5755, 20, 8841, 1675, 2, 19, 6861, 22, 3147, 15, 7, 16, 9, 6877, 22, 16, 21, 4357, 4171, 25, 26, 19, 6635, 6, 8927, 6837, 4827, 2235, 22, 2963, 1975, 7, 7075, 8185, 16, 8033, 21

['R', '4841', '221', 'p', 'K', '8845', '1765', '7773', 'D', '9859', '8781', 'n', 'J', 's', 'N', '221', '6879', '1257', 'a', 'O', '393', '7189']
18, 4841, 221, 16, 11, 8845, 1765, 7773, 4, 9859, 8781, 14, 10, 19, 14, 221, 6879, 1257, 1, 15, 393, 7189

['a', '7671', 'b', 'H', 'a', '8659', '8719', '3395', '4327', '9895', 'U', 'h', '1383', 'L', '9831', '9733', '9633', '9261', '9269', '307', '4703', 'e', '209', '9443']

1, 7671, 2, 8, 1, 8659, 8719, 3395, 4327, 9895, 21, 8, 1383, 12, 9831, 9733, 9633, 9261, 9269, 307, 4703, 5, 209, 9443