Python efficient way to check if very large string contains a substring

Question

Python is not my best language, and so I\'m not all that good at finding the most efficient solutions to some of my problems. I have a very large string (coming from a 30 MB

Answer 1

How slow is too slow? I just did an a in b test for a unique string at the end of a 170 MB string. It finished before my finger left the Enter key.