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.

['j', '5075', 'R', 'I', 'y', '7405', '5539', '6463', '8961', '1803', '8897', '1929', 'E', 'N', '9433', 'C']
10, 5075, 18, 9, 25, 7405, 5539, 6463, 8961, 1803, 8897, 1929, 5, 14, 9433, 3

['3109', '1261', '3083', '3053', 'b', '9183', 'h', 'm', '9263', 'b', '1383', 'y', 'V', 'd', 'S', '6109', '1647', 'F', 'd', '3685', 'b', 'p', '4737', '2093', 'T', 'L', '385', 'U', '3707', '7459', '5983', 'N', 'h', '3557', '7241', 'o', '6905', 'o', 'e', '179']
3109, 1261, 3083, 3053, 2, 9183, 8, 13, 9263, 2, 1383, 25, 22, 4, 19, 6109, 1647, 6, 4, 3685, 2, 16, 4737, 2093, 20, 12, 385, 21, 3707, 7459, 5983, 14, 8, 3557, 7241, 15, 6905, 15, 5, 179

['1299', '1969', '2423', '8425', '9959', '4615', 'm', 'C', '1253', '315', 'Y', 'x', 'W', '1751', '9533', '5437', '881', '6685', 'i', 'M', 'C', 'l', 'U', '7985', 'j', 'R', 'S', 'y', 'Z', 'a', 'p', 'q', 'h', '9323', '6711', 'G', '5713', '5857', '113']

1299, 1969, 2423, 8425, 9959, 4615, 13, 3, 1253, 315, 25, 24, 23, 1751, 9533, 5437, 881, 6685, 9, 13, 3, 12, 21, 7985, 10, 18, 19, 25, 26, 1, 16, 17, 8, 9323, 6711, 7, 5713, 5857, 113