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: ['4117', 'N', '4083', 'N', 'M', 'q', 'L', 'Q', 't', 'G', 'S', '3623', '4317', 't', '4353', 'q', '8617', 'O', '4829', 'S', 'D', '5011', '699', '9883', 'b', 'g', '6933', '9783', 'f', '353', 'A', 'o', '8931', 'S', 'o', '921', '8833', 'J', 'R']

SOLUTION: 4117, 14, 4083, 14, 13, 17, 12, 17, 20, 7, 19, 3623, 4317, 20, 4353, 17, 8617, 15, 4829, 19, 4, 5011, 699, 9883, 2, 7, 6933, 9783, 6, 353, 1, 15, 8931, 19, 15, 921, 8833, 10, 18

PROBLEM: ['9279', '2333', '475', 's', '2591', '4009', '9831', 'l', 'l', '4925', 'X', '8611', 'J', 'm', 'H', 'd', '6851', 'p', 'c', '6821', '8831', 'G', '6425', 'J', '3411', '3521', 'D', '9011', '483', 'o', '7599', '9245', 'b', 's']

SOLUTION: 9279, 2333, 475, 19, 2591, 4009, 9831, 12, 12, 4925, 24, 8611, 10, 13, 8, 4, 6851, 16, 3, 6821, 8831, 7, 6425, 10, 3411, 3521, 4, 9011, 483, 15, 7599, 9245, 2, 19

PROBLEM: ['B', 'S', '303', 'O', '4063', '9103', '7879', '7081', 'R', 'k', '1489', 'a', '9175', 'R', '5709', 'Q', '8553']

SOLUTION:
2, 19, 303, 15, 4063, 9103, 7879, 7081, 18, 11, 1489, 1, 9175, 18, 5709, 17, 8553