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]: ['P', '2877', 'r', 'e', 'n', 'A', '4115', '6491', 'N', '5689', 'x', '87', 'A', '7575', '7175', 'D', 'e', 'L', 'p', '6671', '4921', 'A', '7255', '4653', 'u']
[EX A]: 16, 2877, 18, 5, 14, 1, 4115, 6491, 14, 5689, 24, 87, 1, 7575, 7175, 4, 5, 12, 16, 6671, 4921, 1, 7255, 4653, 21

[EX Q]: ['3839', 'z', 'y', 'T', 'v', 'w', '2469', '2651', '499', '7407', 'O', 'Q', 'e']
[EX A]: 3839, 26, 25, 20, 22, 23, 2469, 2651, 499, 7407, 15, 17, 5

[EX Q]: ['S', '1901', '8071', 'g', '2455', 't', '6117', '4309', '7123', 'T', 'Q', '4489', '573', 'W', '1023', '4711', '6763', 'n', 's', 'g', '3247', '4285', '4405', 'C', '4849', '9717', 'n', '9487', '8385', 'R', 'S', 's', '8203', 'l']
[EX A]:
19, 1901, 8071, 7, 2455, 20, 6117, 4309, 7123, 20, 17, 4489, 573, 23, 1023, 4711, 6763, 14, 19, 7, 3247, 4285, 4405, 3, 4849, 9717, 14, 9487, 8385, 18, 19, 19, 8203, 12