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.

['B', '625', '6887', '913', 'w', '4539', 'E', 'q', 'C']
2, 625, 6887, 913, 23, 4539, 5, 17, 3

['4511', '3187', 'A', '4469', '7071', 'd', '3401', '4495', 'D', 'O', '1637', 'X', '4547', '4637', 'S', 'D', '4555', '7091', 'N', '1603', 'n', 'O', '429', '6795', 'm', '8921', '5357', '101', '7671', '7121', '2667']
4511, 3187, 1, 4469, 7071, 4, 3401, 4495, 4, 15, 1637, 24, 4547, 4637, 19, 4, 4555, 7091, 14, 1603, 14, 15, 429, 6795, 13, 8921, 5357, 101, 7671, 7121, 2667

['K', 'o', '1035', '135', 'J', '2963', 'Q', 't', 'o', 'v', 'I', 'f', '5627', '643', 'p', 'R', 'n', '635', '7751', 't', '2461', 'c', '181', '9441', 'W', 'w']

11, 15, 1035, 135, 10, 2963, 17, 20, 15, 22, 9, 6, 5627, 643, 16, 18, 14, 635, 7751, 20, 2461, 3, 181, 9441, 23, 23