main.py

class TabletteChocolat:
    def __init__(self, m, n):
        if (type(m)!=int):
            raise TypeError("m n'est pas entier")
        elif(type(n)!=int):
            raise TypeError("n n'est pas entier")
        self.m = m 
        self.n = n 
    
    def __str__(self):
        return "Tablette de chocolat de "+str(self.m)+"x"+str(self.n)    

    def __repr__(self):
        return "Tablette de chocolat de "+str(self.n)+"x"+str(self.m)

    def coups_possibles(self):
        l = []
        for i in range(1,self.m):
            l.append((i,0))
        for j in range(1,self.n):
            l.append((0,j))
        its = iter(l)

        return it.chain(its)

    def est_possible(self, i, j):
        return (i,j) in list(self.coups_possibles())

    def coupe(self, i, j):
        return TabletteChocolat(self.m -i, self.n -j)

    def plot(self):
        pass 

if __name__ == "__main__":
    import doctest
    doctest.testmod()