TASK 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.
PROBLEM: ['u', 'i', 'l', 'p', '7463', 'R', '2161', 'N', 'u', '6427', 'V', '8073', '7299', '4171', '9911', '9277', 'Z', '5165', 'H', '7665', 'F', '2113', '3559', 'c', '8931']

SOLUTION: 21, 9, 12, 16, 7463, 18, 2161, 14, 21, 6427, 22, 8073, 7299, 4171, 9911, 9277, 26, 5165, 8, 7665, 6, 2113, 3559, 3, 8931

PROBLEM: ['z', 'a', '9185', '1913', '7765', 'S', 'i', '9707', '6077', 'N', '811', 'J', 'o', '3633', '3583', '2213', '6101', '9615', 'a', 'Y', 'b', 'N', '7863', '9225', 'E', '5569', 'l', 'g', '2113', 'p', 's', 'U', 'j', '2809', '3063', '9043', 'g', 'J', 'h', 'y']

SOLUTION: 26, 1, 9185, 1913, 7765, 19, 9, 9707, 6077, 14, 811, 10, 15, 3633, 3583, 2213, 6101, 9615, 1, 25, 2, 14, 7863, 9225, 5, 5569, 12, 7, 2113, 16, 19, 21, 10, 2809, 3063, 9043, 7, 10, 8, 25

PROBLEM: ['3443', 'Z', 'O', 'w', 'r', '4883', 'c', 'I', 'Z', 'w', '6067']

SOLUTION:
3443, 26, 15, 23, 18, 4883, 3, 9, 26, 23, 6067