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.

[EX Q]: ['b', 'C', 'G']
[EX A]: 2, 3, 7

[EX Q]: ['D', '7557', '2965', 'N', 'd', 'R', '2845', 'f', '8165', 'Y', 'N', '4109', 't', '7323']
[EX A]: 4, 7557, 2965, 14, 4, 18, 2845, 6, 8165, 25, 14, 4109, 20, 7323

[EX Q]: ['j', '8417', '5601', 'U', 'o', 'Y', '9403', 'g', '4467', '9149', '933', '783', 'R', '8373']
[EX A]:
10, 8417, 5601, 21, 15, 25, 9403, 7, 4467, 9149, 933, 783, 18, 8373