from turtle import *
from winsound import *

class Frog(Turtle):
    def __init__(self):
        Turtle.__init__(self)
        register_shape("frog.gif")
        self.shape("frog.gif")

    def hop(self):
        self.left(90)
        self.forward(10)
        self.backward(10)

    def ribbit(self):
        PlaySound("ribbit.wav", SND_FILENAME)

    def go_fd(self):
        self.forward(10)
        self.ribbit()