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.

['2973', 'a', '6251', 's', '5009', 'm', 'G']
2973, 1, 6251, 19, 5009, 13, 7

['4599', 'V', '2005', 'k']
4599, 22, 2005, 11

['s', '4201', 'z', '9187', '8085', '1127', '4527', 't', '3791', '4807', '7111', '2751', '1405', '175', 'E', 'x', 'L', 'Q', '9471', 'C', 'I', '5115', 'g', 'Q', '7625', 'Z', '1559', 'Y', '3097', 'I', '4001', '1901', 'V', 'y', 'M', 'j', '1399']

19, 4201, 26, 9187, 8085, 1127, 4527, 20, 3791, 4807, 7111, 2751, 1405, 175, 5, 24, 12, 17, 9471, 3, 9, 5115, 7, 17, 7625, 26, 1559, 25, 3097, 9, 4001, 1901, 22, 25, 13, 10, 1399

