# Fibonacci numbers module

class parent:
    def fib(self,n):    # write Fibonacci series up to n
        a, b = 0, 1
        while b < n:
            print b,
            a, b = b, a+b

    def fib2(self,n):   # return Fibonacci series up to n
        result = []
        a, b = 0, 1
        while b < n:
            result.append(b)
            a, b = b, a+b
            return result

if __name__ == '__main__':
    p=parent()
    p.fib(10)
