Core Python Data Types, String Manipulation, and Foundational Exercises
The in and not in Membership Operators
These operators verify weather a substring or element exists within a sequence. in returns True when the target is found, while not in returns True when the target is absent.
username = "alexander"
if "alex" in username:
print('Substring located')
else:
print('Substring missing' ...
Posted on Sun, 13 Sep 2026 16:06:09 +0000 by Unholy Prayer