Definition: 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.
Input: ['N', 'i', '5965', '3413', 'K', '1079', '3703', 'B', 'A', 's', 'H', '409', 'W', 'V', '7355', '1415', '767', 'Z', '2483', 'K', 'f', '965', '2037', '2127', '1777', 'U']

14, 9, 5965, 3413, 11, 1079, 3703, 2, 1, 19, 8, 409, 23, 22, 7355, 1415, 767, 26, 2483, 11, 6, 965, 2037, 2127, 1777, 21