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.

['1949', '8001', 'N', 'v', 'o', '2579', 'a', 'P', 'G', 'J', 'u', 'h', '5117', '5709', 'q', 'Y', '4671', '7933', 'U', 'z', 'u', 'm', '7171', '7561', 'z', '9533', 'j', '7683']
1949, 8001, 14, 22, 15, 2579, 1, 16, 7, 10, 21, 8, 5117, 5709, 17, 25, 4671, 7933, 21, 26, 21, 13, 7171, 7561, 26, 9533, 10, 7683

['1171', '7585', 'H', 'R', '367', '4509', '9555', '9691', '8173', '6007', '2391', '4867', 't', 'l', '5127', 'W', '3795', 'p', '8375']
1171, 7585, 8, 18, 367, 4509, 9555, 9691, 8173, 6007, 2391, 4867, 20, 12, 5127, 23, 3795, 16, 8375

['j', 'T', 'V', '355', 'm', 'a', 'W', 'j', '1177', 'E', '9219', 'k', '1687']

10, 20, 22, 355, 13, 1, 23, 10, 1177, 5, 9219, 11, 1687