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: ['z', 'y', 's', '1107', 'E', '3923', '7903', 'G', '5887', '9089', '1261', 'F', 'F', 'j', 'w', 't', 'S', 'o', 'p', '8841', 'w', 'd', '4059', 'I', '5653', 'M', '6271']

26, 25, 19, 1107, 5, 3923, 7903, 7, 5887, 9089, 1261, 6, 6, 10, 23, 20, 19, 15, 16, 8841, 23, 4, 4059, 9, 5653, 13, 6271