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.

['5319', 'G', '6901', '3897', 'D', '7909', 'x', '2723', '9683', 'k', '91', 'P', 'u', '5847', 'X', '2795', 'w', '9953', 'D', 'y', '1401', 'F', '8885', 'V', '7301', 'V', '9073', '7831', '1151', 'z', '1425', '2121', '1395', 't', 'W']
5319, 7, 6901, 3897, 4, 7909, 24, 2723, 9683, 11, 91, 16, 21, 5847, 24, 2795, 23, 9953, 4, 25, 1401, 6, 8885, 22, 7301, 22, 9073, 7831, 1151, 26, 1425, 2121, 1395, 20, 23

['P', 'j', 's', 'L', 'k', '83', '1829', 'N', '5707', 'w', 't', 't', 'o', '5135', 'l', 'J', 'p', 'V', '1127', 'x', 'k', 'Y', 'Q', '6979', '4907']
16, 10, 19, 12, 11, 83, 1829, 14, 5707, 23, 20, 20, 15, 5135, 12, 10, 16, 22, 1127, 24, 11, 25, 17, 6979, 4907

['o', '7717', '2873', '8067', 'C', 'm', 't', 'p', '9545', '7139', 'N', 'a', 'h', '4259', 'Q', '87', 's', 'U', '9555', '9091', '8291', '1627', 'H', '4027']

15, 7717, 2873, 8067, 3, 13, 20, 16, 9545, 7139, 14, 1, 8, 4259, 17, 87, 19, 21, 9555, 9091, 8291, 1627, 8, 4027