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.

Q: ['b', 'u', 'r', '3453', '1663', 'b', '651', 'R', 'U', 'U', 'a', 'b', '2769', 'C']

A: 2, 21, 18, 3453, 1663, 2, 651, 18, 21, 21, 1, 2, 2769, 3
****
Q: ['P', '3341', 'j', 'A', '4173', 'T', '4883', '541', 'D', '8811', 'y', 's', 'w', '1691', '6899', 'D', '8761', '6445', 's', 'd', 'Q']

A: 16, 3341, 10, 1, 4173, 20, 4883, 541, 4, 8811, 25, 19, 23, 1691, 6899, 4, 8761, 6445, 19, 4, 17
****
Q: ['5373', '1839', 'C', 'N', 'p', '971', '9807']

A:
5373, 1839, 3, 14, 16, 971, 9807
****