instruction:
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.
question:
['1107', 'C', '5921', '7815', '1509', 'l']
answer:
1107, 3, 5921, 7815, 1509, 12


question:
['h', 'T', '3899', '637', '9203', 'l', '1559', 'F', '5453', 'l', '1897', '5407', 'D', '905', 'z']
answer:
8, 20, 3899, 637, 9203, 12, 1559, 6, 5453, 12, 1897, 5407, 4, 905, 26


question:
['4749', '4169', 'S', 'u', '2367', 't', '9783', 'N', '9567', 'p', '4149', '7937']
answer:

4749, 4169, 19, 21, 2367, 20, 9783, 14, 9567, 16, 4149, 7937