Definition: 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.
Input: ['e', 'b', 'M', 'x', '2931', 'S', 'V', '5233', 'R', 'T', '8927', '9993', '4123', 'h', '9169', 'L', '5955', '9391', '453', 'z', 'W', 'R', 'j']

5, 2, 13, 24, 2931, 19, 22, 5233, 18, 20, 8927, 9993, 4123, 8, 9169, 12, 5955, 9391, 453, 26, 23, 18, 10