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.

['g', 'k', '4871', 'w', 'y', 'D', 'R', 'X', '5989', '5509', 'R', 'r', '6921', '5449', '3033', 'u', '1237', '5847', '583', 'L', '5649', 'l', 'V', '1763']
7, 11, 4871, 23, 25, 4, 18, 24, 5989, 5509, 18, 18, 6921, 5449, 3033, 21, 1237, 5847, 583, 12, 5649, 12, 22, 1763

['4113', 'T', 'd', 'd', 'X', 'w', 'S', 'E', '4573', 'v', 'F', '7881', '1381', '3701', 't', 'N', '807', '3497', 'C', '3341', '529', 'M', '8529', 'B', 'l', 'M', 'T', '2033', '3011']
4113, 20, 4, 4, 24, 23, 19, 5, 4573, 22, 6, 7881, 1381, 3701, 20, 14, 807, 3497, 3, 3341, 529, 13, 8529, 2, 12, 13, 20, 2033, 3011

['865', '473', '1081', 'A', '691', 'P', '3853', '3763', 'y', 'e', 'k', 't', '8861', 't', 'A', 'C', '7197', '533', 'G', 'a', 'W', '1929', '5901', 'z', 'P', 'w', 'J', '7167']

865, 473, 1081, 1, 691, 16, 3853, 3763, 25, 5, 11, 20, 8861, 20, 1, 3, 7197, 533, 7, 1, 23, 1929, 5901, 26, 16, 23, 10, 7167