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: ['F', '9727', 'i', '629', 'w', '5589', 'C', '8363', '3079', '9417', 'r', 'M', '3853', '4105', '6221', 'U', 'u', '4365', 'u', '2303', 'j', '1843', '477', 's', '9767', '8947', '727', '8305', '7679', '8903', '2961', 'O', '281', '6049', '171', 'v', '3995', 'C', '8139', 'P']

SOLUTION: 6, 9727, 9, 629, 23, 5589, 3, 8363, 3079, 9417, 18, 13, 3853, 4105, 6221, 21, 21, 4365, 21, 2303, 10, 1843, 477, 19, 9767, 8947, 727, 8305, 7679, 8903, 2961, 15, 281, 6049, 171, 22, 3995, 3, 8139, 16

PROBLEM: ['4359', '6545', '7337', '5589', '9335', '3087', '7249', '9569', '2873', 'F', 'X', '9669', '3769', '2115', '8541', '4823', 'I', 'c', '9547']

SOLUTION: 4359, 6545, 7337, 5589, 9335, 3087, 7249, 9569, 2873, 6, 24, 9669, 3769, 2115, 8541, 4823, 9, 3, 9547

PROBLEM: ['3705', 'R', 'c', 'G', '7397', '3197', 'O', 'G', 'W', 'd', '903', '553', 'M', 'h', '6153', '3423', 'l', '5017', 'k', '4399', '3573', '2293', 'u', '6199', '1327', 'R', 'X', 'l', '6699', '9501', '857', 'Y', '507', 'z', '2255']

SOLUTION:
3705, 18, 3, 7, 7397, 3197, 15, 7, 23, 4, 903, 553, 13, 8, 6153, 3423, 12, 5017, 11, 4399, 3573, 2293, 21, 6199, 1327, 18, 24, 12, 6699, 9501, 857, 25, 507, 26, 2255