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.

['l', 'Q', '9689', 'w', '9213', '9979', 'g', '9175', '9197', '2605', '6649']
12, 17, 9689, 23, 9213, 9979, 7, 9175, 9197, 2605, 6649

['p', '5493', '2947', 'Z', '8155', '747', 'R', '3199', 'J', 'F', '7579', 'r', '3903', '8923', 'd', '4307', '8331', '9981']
16, 5493, 2947, 26, 8155, 747, 18, 3199, 10, 6, 7579, 18, 3903, 8923, 4, 4307, 8331, 9981

['3507', '2205', 'J', 'I', 'D', '2473', '7773', 'a', '4949', '131', 'l', '5041', '971', 'A']
3507, 2205, 10, 9, 4, 2473, 7773, 1, 4949, 131, 12, 5041, 971, 1