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: ['8623', '1535', '2699', 'e', '1463', '279']

Answer: 8623, 1535, 2699, 5, 1463, 279


Question: ['a', 'K', '9581', 'v', 'p', 'I', '2579', '7467', '2267', '3839', '9615', 'k', 'l', 'X', 'I']

Answer: 1, 11, 9581, 22, 16, 9, 2579, 7467, 2267, 3839, 9615, 11, 12, 24, 9


Question: ['7511', 'c', '5999', 'j', '2265', 'E', '9905', '1861', '8743', '873']

Answer:
7511, 3, 5999, 10, 2265, 5, 9905, 1861, 8743, 873