Python-Iterators-FibonacciTill20-I

Python-Iterators-FibonacciTill20-I.py

class FibonacciTill20:
    
    def __init__(self):
        self.n1, self.n2 = 0, 1
        self.max = 20
    
    def __iter__(self):
        return self
    
    def __next__(self):
        self.n1, self.n2 = self.n2, self.n1 + self.n2
        if self.n2 <= self.max:
            return self.n2
        else:
            raise StopIteration