TASK DEFINITION: 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.
PROBLEM: ['V', 'z', '1757', 'K', 'z', 'v', '4761', '6505', '1369', 'Z', 'M', '8471', '7', '3963', '5891', 'W', '8417', '4899', '6537', 'W', 'I', 'M', '4479', 'x', '9089']

SOLUTION: 22, 26, 1757, 11, 26, 22, 4761, 6505, 1369, 26, 13, 8471, 7, 3963, 5891, 23, 8417, 4899, 6537, 23, 9, 13, 4479, 24, 9089

PROBLEM: ['4055', '9057', 'q', '931', '4555', '8931', '1845', 'm', '1243', '2657', '7713', 'f', 'T', 'V', '2117', 'H', 'Q', 'o', 'D', 'G', 'a', 'c', 'g', 'c', '6715', '695', '1707', '5583', '8731', '3287', 'L', '1347', '3103', 'C', 'R']

SOLUTION: 4055, 9057, 17, 931, 4555, 8931, 1845, 13, 1243, 2657, 7713, 6, 20, 22, 2117, 8, 17, 15, 4, 7, 1, 3, 7, 3, 6715, 695, 1707, 5583, 8731, 3287, 12, 1347, 3103, 3, 18

PROBLEM: ['7621', 'V', '139', '1907', 's', '1293', 'D', '9183', '8067', 'S', 'O', 'Q', '1725', '9827']

SOLUTION:
7621, 22, 139, 1907, 19, 1293, 4, 9183, 8067, 19, 15, 17, 1725, 9827