customiterator

class Test:
    
    def __init__(self, limit):
        self.limit = limit
        
        
    def __iter__(self):
        self.x = 10
        return self
        
        
    def __next__(self):
        x = self.x
        
        if x > self.limit:
            raise StopIteration
            
        self.x = x+1
        return x
        
for i in Test(2):
    print(i)