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.

['G', 'j', '669', 'B', 'z', 'N', 'z', '7507', '1363', 'q', '9449', '9917', '6629', 'v', 'C', 'I', 'y', 'I', '6919', 'v', '2189', '741']
7, 10, 669, 2, 26, 14, 26, 7507, 1363, 17, 9449, 9917, 6629, 22, 3, 9, 25, 9, 6919, 22, 2189, 741

['n', '9127', 'k', '9641', 'h', '6137', 's', 'E', 'N', 'D', 's', 'Y', '9669', 'Z', 'c', '3553', '2105', '4519', '1969', '1545', 'f', 'v', '4571', 'S', 'O', 'd', 'r', 'I', 'I', '2105']
14, 9127, 11, 9641, 8, 6137, 19, 5, 14, 4, 19, 25, 9669, 26, 3, 3553, 2105, 4519, 1969, 1545, 6, 22, 4571, 19, 15, 4, 18, 9, 9, 2105

['6867', '2393', '4203', '4409', 'N', 'b', 'q', 'Z', 'a', '5487', '7011', '9771']

6867, 2393, 4203, 4409, 14, 2, 17, 26, 1, 5487, 7011, 9771