From To

2022-09-05.py

question = """

Write a function fromTo that produces a generator, that will produce values in a range.

Usage:

let gen = fromTo(5,7)

> gen()
5
> gen()
6
> gen()
7
> gen()
undefined

"""

class fromTo:
    def __init__(self, min, max):
        self.n=min
        self.min=min
        self.max=max
    def __iter__(self):
        return self
    def __next__(self):
        if self.n <= self.max:
            result = self.n
            self.n += 1
            return result
        else:
            return None

gen = fromTo(5,7)
print(next(gen))
print(next(gen))
print(next(gen))
print(next(gen))