Exercise 5-22 Triangle Function
import turtle
def triangle(x1, y1, x2, y2, x3, y3, color):
# Set the fill color.
turtle.fillcolor(color)
#raise the pen and move the turtle.
turtle.penup()
turtle.goto(x1, y1)
# Draw the triangle.
turtle.pendown()
turtle.begin_fill()
turtle.goto(x2, y2)
turtle.goto(x3, y3)
turtle.goto(x1, y1)
turtle.end_fill()
def main():
# Initialize the turtle.
turtle.hideturtle()
turtle.speed(0)
# Draw three triangles.
triangle(0, 0, 100, 0, 0, -100, ‘red’)
triangle(0, 0, -100, 0, 0, -100, ‘green’)
triangle(0, -100, -100, -200, 100, -200, ‘blue’)
main()