Question

I’m trying to set my Python programs in classes. But when I have this:

class program:

    def test(value):
        print value + 1

    def functionTest():
        a = test(2)

    if __name__ == "__main__":
        functionTest()

I get the error : NameError: global name ‘test’ is not defined

What do I have to do to ‘activate’ the test-method?
Thanks a lot!

Answer 1

class Program:
    def test(self, value):
        print value + 1

    def functionTest(self):
        a = self.test(2)

if __name__ == "__main__":
    myprog = Program()
    myprog.functionTest()

1. You have to supply self as an argument
2. You have to call test with self.test()
3. You have to instantiate Program (create an object out of your class)
4. You have to call the method on that object
5. The code to instantiate the object and call the method should not be in your class (wrong indentation)

All that above is assuming you actually want a class and use it in your code. If not, have a look at @brandizzi’s answer