view python/example/classes.py @ 881:4ebb6aff9d67

no more has_key
author Jeff Hammel <k0scist@gmail.com>
date Tue, 06 Aug 2019 14:22:00 -0700
parents 870af8d51552
children
line wrap: on
line source

#!/usr/bin/env python

"""
illustrate how classes work
"""

class A:
    pass

tests = ["issubclass(A(), A)",
         "issubclass(A, A)"]

if __name__ == '__main__':
    for test in tests:
        print ("? {}".format(test))
        try:
            print (eval(test))
        except Exception as e:
            print ('{}'.format(repr(e)))