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.
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Question: ['7565', 'c', '4849', '6873', '6901', 'Q', '4237']

Answer: 7565, 3, 4849, 6873, 6901, 17, 4237

Question: ['7949', '8047', 't', '9913', 'd', '8641', 'n', '8383', '7493', '8819', '6981', 'n', '6287', '8685', 'b', '7535']

Answer: 7949, 8047, 20, 9913, 4, 8641, 14, 8383, 7493, 8819, 6981, 14, 6287, 8685, 2, 7535

Question: ['3139', 'E', '8721', 'H', 'g', 'H', '9931', 'b']

Answer:
3139, 5, 8721, 8, 7, 8, 9931, 2