Simple python iterator class

simple_iter_class.py

class TestIter(object):

    def __init__(self):
        self.i = 0
        self.l = [1,2,3,4]

    def __iter__(self):
        return self

    def next(self):
        if self.i + 1 <= len(self.l):
            result = self.l[self.i]
            self.i += 1
            return result
        raise StopIteration

t = TestIter()

for i in t:
    print i