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.

[EX Q]: ['5151', '8663', '4373', 'L', '5491', '123', 'l', 'E', 'b', '3047', 'o']
[EX A]: 5151, 8663, 4373, 12, 5491, 123, 12, 5, 2, 3047, 15

[EX Q]: ['2471', 'd', 'S', '1417', 'Q', 'm', '7803', '7559', 'M', '99', '6603', 't', '4777', 'K', 'c', 'K', '793', 'H', '1229', '1509', '677', '5239', 'A', '7965', '2709', '2235', 'h', 'U', 'Z', 'V', '9871', '7903', '681', 'p', '4981', '1763', 'h']
[EX A]: 2471, 4, 19, 1417, 17, 13, 7803, 7559, 13, 99, 6603, 20, 4777, 11, 3, 11, 793, 8, 1229, 1509, 677, 5239, 1, 7965, 2709, 2235, 8, 21, 26, 22, 9871, 7903, 681, 16, 4981, 1763, 8

[EX Q]: ['q', 'g', 'C', 'I', 'k', 't', '3', '5563', 'v', '3215', 'x', '4271', '4063', 'Y', 'S', 'g', '9725', 'v', 'R', '7041', '2303', 'O', 'V', '2203', 'f', 'X']
[EX A]:
17, 7, 3, 9, 11, 20, 3, 5563, 22, 3215, 24, 4271, 4063, 25, 19, 7, 9725, 22, 18, 7041, 2303, 15, 22, 2203, 6, 24