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.

[EX Q]: ['1991', 'H', '7993', '9071', '6949', 'g', 'h', 'C', '305', 'x', '5557', '1181', 'H', '663']
[EX A]: 1991, 8, 7993, 9071, 6949, 7, 8, 3, 305, 24, 5557, 1181, 8, 663

[EX Q]: ['4235', 'q', '6367', 'V', '6499', '4667', '3689', 'Y', '8349', 'i', '1289', 'T', 'T', '6479', 'g', 'K', '4003', '587', 'a', 'Y', 'T', 'L', '2915', '9261', '4483']
[EX A]: 4235, 17, 6367, 22, 6499, 4667, 3689, 25, 8349, 9, 1289, 20, 20, 6479, 7, 11, 4003, 587, 1, 25, 20, 12, 2915, 9261, 4483

[EX Q]: ['4305', 'Q', 'R', 'm', '8275', '6967', 'Y', '9469', 'a', 'w', '3261', '8655', 'l', 'g', '3403', 'u', '8457', '2951', '2163', '2751', '4599', 'R']
[EX A]:
4305, 17, 18, 13, 8275, 6967, 25, 9469, 1, 23, 3261, 8655, 12, 7, 3403, 21, 8457, 2951, 2163, 2751, 4599, 18