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]: ['1107', 'C', '5921', '7815', '1509', 'l']
[EX A]: 1107, 3, 5921, 7815, 1509, 12

[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]: ['K', '847', 'j', '9779', 'Y', '3623', 'r', '1151', 'm', '6197', 'd', 'c', '5667', 'D', '2757', 'v', '3331', 'q', 'S', 'e', 's', 'l', '4879', '8753']
[EX A]:
11, 847, 10, 9779, 25, 3623, 18, 1151, 13, 6197, 4, 3, 5667, 4, 2757, 22, 3331, 17, 19, 5, 19, 12, 4879, 8753