def makeModel(data):
    # Set up your simulation components here, by setting
    # data["compName"] = component
    data["x"] = 400
    data["y"] = 400
    data["r"] = 50
    data["color"] = "red"

def makeView(data, canvas):
    # Write your simulation view here, using the Tkinter canvas
    canvas.create_oval(data["x"] - data["r"], data["y"] - data["r"],
                        data["x"] + data["r"], data["y"] + data["r"],
                       fill=data["color"])

def runRules(data, call):
    import random
    # Write your simulation rules here, by changing data
    data["x"] = data["x"] + 5
    newColor = random.choice(["red", "orange", "yellow", "green", "blue", "purple"])
    data["color"] = newColor
    data["r"] = data["r"] + 5

def keyPressed(data, event):
    # Use event.char to get the character pressed
    pass

def mousePressed(data, event):
    # Use event.x and event.y to get the (x,y) location of the clicked pixel
    pass

# You do not need to be able to write the following functions;
# just modify the five functions above.

from tkinter import *

def timeLoop(data, canvas, call):
    runRules(data, call)

    canvas.delete(ALL)
    makeView(data, canvas)
    canvas.update()

    canvas.after(data["timeRate"], timeLoop, data, canvas, call + 1)

def keyEventHandler(data, canvas, event):
    keyPressed(data, event)
    
    canvas.delete(ALL)
    makeView(data, canvas)
    canvas.update()
    
def mouseEventHandler(data, canvas, event):
    mousePressed(data, event)
    
    canvas.delete(ALL)
    makeView(data, canvas)
    canvas.update()
    
def runSimulation(w, h, timeRate):
    data = { }
    data["timeRate"] = int(timeRate * 1000) # call will be in ms
    makeModel(data)
    
    root = Tk()
    canvas = Canvas(root, width=w, height=h)
    canvas.configure(bd=0, highlightthickness=0)
    canvas.pack()
    makeView(data, canvas)
    
    canvas.after(data["timeRate"], timeLoop, data, canvas, 1)
    
    root.bind("<Key>", lambda event : keyEventHandler(data, canvas, event))
    root.bind("<Button-1>", lambda event : mouseEventHandler(data, canvas, event))
    
    root.mainloop()

runSimulation(800, 800, 0.1)