class TenIntegers:
    
    def __init__(self, start_from=0):
        self.current=start_from
        self.max = self.current + 10
    
    def __iter__(self):
        '''
        This method makes the object iterable
        '''
        return self
    
    def __next__(self):
        '''
        This is the actual method used on iteration
        '''
        if self.current < self.max:
            current_value = self.current
            self.current += 1
            return current_value
        else:
            # This error is raised to stop the iteration
            raise StopIteration
    
    # Useful to call it manually
    next = __next__