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.

['f', '1287', '4749', 'Z', 'N', 'P', '5427', '3573', '4883', '6355', 'B', '2901', 'A', 'p', 'a', 'c', '1327', 'V', 'F', '873', '5635', '7393']
6, 1287, 4749, 26, 14, 16, 5427, 3573, 4883, 6355, 2, 2901, 1, 16, 1, 3, 1327, 22, 6, 873, 5635, 7393

['1065', 'b']
1065, 2

['y', 'u', 'C', 'a', 'q', 'A', 'q', 'b', '3971', '9321', 'l', '9211', '8367', 'W', '3107', 'S', 'w', 'w', '2779', 'x', 'a', 'v']

25, 21, 3, 1, 17, 1, 17, 2, 3971, 9321, 12, 9211, 8367, 23, 3107, 19, 23, 23, 2779, 24, 1, 22