import turtle
def hexagon(sideLength):
    turtle.forward(sideLength)
    turtle.right(60)
    turtle.forward(sideLength)
    turtle.right(60)
    turtle.forward(sideLength)
    turtle.right(60)
    turtle.forward(sideLength)
    turtle.right(60)
    turtle.forward(sideLength)
    turtle.right(60)
    turtle.forward(sideLength)
    turtle.right(60)
turtle.speed(0)
hexagon(100)
turtle.exitonclick()