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: ['7505', 'B', 'v', '5329', '33', '6439', 'H', '5843', 'A', 'j', 'Z', 'H', 'R', 'K', '3099', 'w', 'R', 't', '9351', 'V', '2753', '8169', '7899', 'k', '8541', 't', 'g', '713', '9591', '2901']

SOLUTION: 7505, 2, 22, 5329, 33, 6439, 8, 5843, 1, 10, 26, 8, 18, 11, 3099, 23, 18, 20, 9351, 22, 2753, 8169, 7899, 11, 8541, 20, 7, 713, 9591, 2901

PROBLEM: ['1183', '4279', 'f', 'I', 'I', '3533', '891', 'z', '5947', '8717', '6875', '7121', '3503', 'l', '1909', 'E', '6613', '5571', 's', 'R', 'e']

SOLUTION: 1183, 4279, 6, 9, 9, 3533, 891, 26, 5947, 8717, 6875, 7121, 3503, 12, 1909, 5, 6613, 5571, 19, 18, 5

PROBLEM: ['y', '2357', 'M', '4211', '1867', 'F', 'k', '1571', 'H', 'd', 'm', '5941', 'l', 'M', 's', 'x', '8497', 'v', 'w', 'v', 'R', '7901', 'E', '6171', 'g']

SOLUTION:
25, 2357, 13, 4211, 1867, 6, 11, 1571, 8, 4, 13, 5941, 12, 13, 19, 24, 8497, 22, 23, 22, 18, 7901, 5, 6171, 7