class MySimpleRange:
    def __init__(self, stop):
        self.stop = stop
        self.count = 0

    def __iter__(self):
        return self

    def __next__(self):
        self.count +=1
        if self.count > self.stop:
            raise StopIteration
        return self.count - 1

r = MySimpleRange(10)
a = list(r)
print(a)

for i in MySimpleRange(10):
    print(i, end=' ')
print()