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]: ['d', '903', 'N', 'n', '1959', 'U', 'Z', 'v', 'f', '6207', '4947', '9471', 'v', '481', 'Z', '163']
[EX A]: 4, 903, 14, 14, 1959, 21, 26, 22, 6, 6207, 4947, 9471, 22, 481, 26, 163

[EX Q]: ['6557', '9481', '8095', 'M', '7859', '7293', 'w', 'w', '3937', '3719', '1875', '375', '799', '3077', '5255', '8895', 'D', 'z', '7395', '7461', '2317', '2717', 'U', 'A', 'h', '1801', 'y', 'v', 'Z', 'v', '3073', 'G', 'd', '833', 'R', 'S']
[EX A]: 6557, 9481, 8095, 13, 7859, 7293, 23, 23, 3937, 3719, 1875, 375, 799, 3077, 5255, 8895, 4, 26, 7395, 7461, 2317, 2717, 21, 1, 8, 1801, 25, 22, 26, 22, 3073, 7, 4, 833, 18, 19

[EX Q]: ['Q', '2683', 'z', 'x', 'r', 'p', '669', '1261', 'O', '2175', '6487', '4443', 'X', '8981', 'L', '9409', '5777', '2539', 'D', '1745', '769', 'H', '1227', 'i', '2295', '689', '7817', '2535', 'A', '7', 'D', 'o', 'S', '6771', '7769']
[EX A]:
17, 2683, 26, 24, 18, 16, 669, 1261, 15, 2175, 6487, 4443, 24, 8981, 12, 9409, 5777, 2539, 4, 1745, 769, 8, 1227, 9, 2295, 689, 7817, 2535, 1, 7, 4, 15, 19, 6771, 7769