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.
Input: ['w', 'm', 'Y', 'R', 'a', '3535', 'W', '9865', 'P', '6763', 'v', '4809', 'W', '9043', 'q', 'T', '8041', '3681', '5747', 'j', 'u', 'B', '681', '2533', '4637', '3869', '4605', 'I', '9819', '8643', 'b', 'F', 'y', '1583', 'S', 'R']

23, 13, 25, 18, 1, 3535, 23, 9865, 16, 6763, 22, 4809, 23, 9043, 17, 20, 8041, 3681, 5747, 10, 21, 2, 681, 2533, 4637, 3869, 4605, 9, 9819, 8643, 2, 6, 25, 1583, 19, 18