from graphics import *

from time import sleep #add delay in the execution of a program

from random import random #creating random number for snake food locations

while(1): #Creating an Infinite loop

speed=0.1

current_X, current_Y, snake_lenght, s, direction_X, direction_Y, a, food_X, food_Y, grow, q = 20,20,5,[],1,0,[],3,18,0,1

#variables:

#current x, current y (current coordinate location)

# snake_lenght = lenght of snake

#s = snake part location

# direction x, direction y (direction coordinate)

# a = snake rectangle objects

#food x, food y (food coordinate location)

#grow = if 1 it grows, if 0 then player loose

w=GraphWin('Snake Game!', 500, 500)

w.setBackground(color_rgb(0, 0, 0,)) #Black background

for i in range(snake_lenght):

s.append([current_X-i,current_Y]) #append method will make it increase by one.

a.append([]) #append method will make it increase by one.

a[i]=Rectangle(Point((current_X-i)*10,current_Y*10),Point((current_X-i)*10+10,current_Y*10+10))

a[i].setFill('blue') #Snake color

a[i].draw(w)

points=Text(Point(250,10),"Points: "+str((snake_lenght-5)*1)) #points box

points.draw(w)

snake_food=Rectangle(Point(food_X*10,food_Y*10),Point(food_X*10+10,food_Y*10+10)) #Drawing the snakes apple

snake_food.setFill('red') #Snake food color

snake_food.draw(w)

while(q==1): #Infinite loop until player looses

sleep(speed)

selected_key=w.checkKey() #Get input from keyboard

if(selected_key == "w"): #goes up

direction_X=0

if(direction_Y==1): #Eat yourself, causing you to loose.

q=0

direction_Y=-1

if(selected_key == "s"): # goes down

direction_X=0

if(direction_Y==-1):

q=0

direction_Y=1

if(selected_key == "d"): #goes right

if(direction_X==-1):

q=0

direction_X=1

direction_Y=0

if(selected_key == "a"): #goes left

if(direction_X==1):

q=0

direction_X=-1

direction_Y=0

current_X+=direction_X #Moving the snakes head on x direction

current_Y+=direction_Y #Moving the snakes head on y direction

if(current_X>49 or current_Y>49 or current_X<0 or current_Y<=0): #If you get out the prefixed window you will loose.

q=0

#Snakes new position

for i in range(snake_lenght-1,-1,-1):

s[i]=s[i-1]

if(s[i] == [current_X,current_Y]):

q=0

a[i].undraw()

if(current_X == food_X and current_Y == food_Y): #Undraw snake food once eaten

snake_food.undraw() #Destroy eaten Snake Food

grow=1

food_X=int(random()*50) #Random Snake Food Location

food_Y=int(random()*50)

snake_food=Rectangle(Point(food_X*10,food_Y*10),Point(food_X*10+10,food_Y*10+10))

snake_food.setFill('red')

snake_food.draw(w) #Draw the new snake food

s[0]=[current_X,current_Y] #New snakes head position

a[4].undraw() #Undraw the piece of the last piece of the tail

for i in range(snake_lenght):

a[i]=Rectangle(Point((s[i][0])*10,s[i][1]*10),Point((s[i][0])*10+10,s[i][1]*10+10))

a[i].setFill('blue')

a[i].draw(w)

if(grow==1):

snake_lenght+=1

points.setText("Points: "+str((snake_lenght-5)*1)) #Increase the points by 1

speed*=0.95 #Increase the game speed when the snake grows

s.append([]) #Create new spaces for the new snake body

a.append([])

a[snake_lenght-1]=Point(0,0)

a[snake_lenght-1].draw(w)

grow=0

w.close()

CHANGE THE FOLLOWING CODE SO THAT IT WORKS WITH CLASSES AND OBJECTS