Detailed Instructions: 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: ['9847', '8937', '6749', 'l', 'z', 'i', 'E', '7043', 'M', '6049', 'J', '8791', 'N', '1039', '6497', 'v', 'w', '5865', 'n', '1849', 'h', '2713', 'A', '4785', 'L', '4773', 's', '7511', 'k', '7803', '6453']
A:
9847, 8937, 6749, 12, 26, 9, 5, 7043, 13, 6049, 10, 8791, 14, 1039, 6497, 22, 23, 5865, 14, 1849, 8, 2713, 1, 4785, 12, 4773, 19, 7511, 11, 7803, 6453