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: ['K', '4665', '7541', '2649', '9007', '3267', '929', 'B', 'K']

SOLUTION: 11, 4665, 7541, 2649, 9007, 3267, 929, 2, 11

PROBLEM: ['f', '1287', '4749', 'Z', 'N', 'P', '5427', '3573', '4883', '6355', 'B', '2901', 'A', 'p', 'a', 'c', '1327', 'V', 'F', '873', '5635', '7393']

SOLUTION: 6, 1287, 4749, 26, 14, 16, 5427, 3573, 4883, 6355, 2, 2901, 1, 16, 1, 3, 1327, 22, 6, 873, 5635, 7393

PROBLEM: ['9437', '6223', 'J', 'A', '4665', '8867', '5767', 'D', 'Y', '2237', '6659', '9233', '8313', 'd', 'A', 'T', '8701', 'Q', 'G', '199', '9295', 'i', '3701', 'n', 'b', 'd', '281', '8387', 'N']

SOLUTION:
9437, 6223, 10, 1, 4665, 8867, 5767, 4, 25, 2237, 6659, 9233, 8313, 4, 1, 20, 8701, 17, 7, 199, 9295, 9, 3701, 14, 2, 4, 281, 8387, 14