How to get char from string by index?

Question

Lets say I have a string that consists of x unknown chars. How could I get char nr. 13 or char nr. x-14?

Answer 1

Another recommended exersice for understanding lists and indexes:

L = ['a', 'b', 'c']
for index, item in enumerate(L):
    print index + '\n' + item

0
a
1
b
2
c