class IterClass(object):
    def __init__(self,*data):
        self.index=0
        self.data=data
    def __iter__(self):
        return self
    def __next__(self):
        if self.index>=len(self.data):
            raise StopIteration
        else:
            self.index+=1
            return self.data[self.index-1]
iterClass= IterClass([1,'a',3,'b',[1,3],(1,4)])
for item in iterClass:
    print(item)