human
I am working on the file "Python Quick Reference/Base Language.ipynb".
The first task is:
8. With Statement
Can you write Python program for it?

Write me a the Python program you requested?
assistant
#Here is the Python program you requested.

# the With statement (like using in C#) is used to issue cleanup code when a variable comes out of scope
class cleanup_thing:
        def __enter__(self):
            self.open=True
            return self
        def __exit__(self, type, value, traceback):
            self.open=False
        def isOpen(self):
            return self.open

with cleanup_thing() as thing:
    print(thing.isOpen())
print(thing.isOpen())