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.

['J', '9697']
10, 9697

['2105', 'h', '2769', '8309', '9003', 't', 'U', '1993', '2859', '3295', 't', 'T', '8943', '7385', '1667', 'd', '7453', 'D', 'A', 'd', 'J', 'h', 'V', 'F', 'x', 'f', '4003', '8121']
2105, 8, 2769, 8309, 9003, 20, 21, 1993, 2859, 3295, 20, 20, 8943, 7385, 1667, 4, 7453, 4, 1, 4, 10, 8, 22, 6, 24, 6, 4003, 8121

['R', '5923', '3957', 'b', '3169', '1975', 'S', 'z', 'S', 's', '9835', 'K', 's', '7267', 'J', 'a', '1157', 'o', 'z', 'J', 'j', '9885', 'Y', '7393', '5567', 'U', '7717', '4029', '75', 'I', 'k', '283']

18, 5923, 3957, 2, 3169, 1975, 19, 26, 19, 19, 9835, 11, 19, 7267, 10, 1, 1157, 15, 26, 10, 10, 9885, 25, 7393, 5567, 21, 7717, 4029, 75, 9, 11, 283