Definir una funcion con la letra "i"

print("lines")
from tkinter import *

ventana=Tk()
lienzo=Canvas(ventana,width=400,height=400)
lienzo.pack()

def drawLetter(x,y):
    lienzo.create_rectangle(x,y-20, x+10,y)
    lienzo.create_oval(x, y-40, x+10, y-30)

drawLetter(20,200)