#!/usr/bin/env python3

class MyNumbers:
    def __iter__(self):
        self.a = 1
        return self

    def __next__(self):
        if self.a <= 10:
            x = self.a
            self.a += 1
            return x
        else:
            raise StopIteration


if __name__ == "__main__":
    myNumbers = MyNumbers()
    for x in iter(myNumbers):
        print(x)