Write a function to draw a simple face with eyes and a mouth on a picture
There’s no need to make use of ovals to solve this problem, one can simply make use of rectangles and lines.
```
def drawPicture():
canvas = makeEmptyPicture(100,100)
makeFace(canvas, 0, 0)
show(canvas)
return canvas;
def makeFace(canvas, x, y):
addOval(canvas, x+10, y+60, 80, 30)
addRectFilled(canvas, x+10, y+60, 80, 10, white)
addOval(canvas, x+20, y+20, 10, 10)
addOval(canvas, x+70, y+20, 10, 10)
```
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