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: ['1533', '8627', '2455', 'W', 'Q', 'v', 'Y', 'F', '135']

Answer: 1533, 8627, 2455, 23, 17, 22, 25, 6, 135


Question: ['1107', 'C', '5921', '7815', '1509', 'l']

Answer: 1107, 3, 5921, 7815, 1509, 12


Question: ['4093', '2229', '869', 'B', 'n']

Answer:
4093, 2229, 869, 2, 14