Stupid simple Mersenne Twister.

mersenne_twister.py

class Mersenne:
    def __init__(self, seed=1234):
        self.seed = seed
        self.j = 2 ** 31 - 1
        self.k = 16807
        self.period = 2 ** 30
        
    def __iter__(self):
        return self
        
    def __next__(self):
        self.seed = (self.k * self.seed) % self.j
        if self.seed / self.j < 0.50:
            return 0
        else:
            return 1