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]: ['V', 't', '5519', '6271', '9239', 'Q', 'z', '9645', 'I', '6699']
[EX A]: 22, 20, 5519, 6271, 9239, 17, 26, 9645, 9, 6699

[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]: ['4235', 'l', '4951', 'P', 'L', 'B', 'R', '5919', '5261', 'M', 'l', '9775', '9221', '143', 'i', 'f']
[EX A]:
4235, 12, 4951, 16, 12, 2, 18, 5919, 5261, 13, 12, 9775, 9221, 143, 9, 6