How to get Index of a index

Question

['Ab','cd','ef','gh']
These are strings in a list. How to output 'b' from above list using index or any other way..
Use only python

Answer 1

a=['Ab', 'cd', 'ef', 'gh']
print(a[0][1])

Answer 2

arr=['Ab','cd','ef','gh']
Print (are[0][0])
0utput=b