Given the task definition and input, reply with output. 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.

['k', 'z', '4955', 'p', '4057', '301', '5601', '4479', '3783', '8883']
11, 26, 4955, 16, 4057, 301, 5601, 4479, 3783, 8883