def singBD(firstName):
    for count in range(2):
        print("Happy Birthday to you.")
    return 100
    print("Happy Birthday to you, dear {}.".format(firstName))

def square(number):
    return number*number


def testCase(num1,num2):
    return 10*num1,100*num2


def circleArea(radius):
    return 3.14159*square(radius)

def cylVolume(radius,height):
    volume=circleArea(radius)*height
    return volume


### for graphics....using tkinter

from tkinter import *

def runDrawing(w,h):
    root = Tk()
    ourCanvas=Canvas(root,width=w,height=h)
    ourCanvas.pack()
    draw(ourCanvas,w,h)
    root.mainloop()
    print("Bye Tkinter")
    
def draw(canvas,width,height):
    canvas.create_rectangle(0,0,150,150,fill="blue")
    canvas.create_rectangle(50,50,200,200,fill="orange")
    canvas.create_rectangle(50,100,150,150,fill="green",outline="red",width=5)