#Simple Snake Game in Python 3 for Beginners
#By @TokyoEdTech
# PArt 1: Getting Started

import turtle

#Set up the screen
wn = turtle.Screen()
wn.title("Snake Game by @TokyoEdTech")
wn.bgcolor("green")
wn.setup(width=600, height=600)
wn.tracer(0) # Turns off the screen updates

# Snake head
head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("black")
head.penup()
head.goto(0,0)
head.direction ="stop"


# Functions
def move():
	if head.direction =="up":
		y=head.ycor()
		head.sety(y + 20)

# Main game loop
while True:
	wn.update()

move()

wn.mainloop()