4.3.5 Circle in a Square

speed(0)
penup()
setposition(-100,-100)
pendown()
def circle_in_square(radius):
    for i in range(1):
        color("red")
        begin_fill()
        forward(200)
        left(90)
        forward(200)
        left(90)
        forward(200)
        left(90)
        forward(200)
        left(90)
        end_fill()
        penup()
        setposition(0,-100)
        pendown()
        color("blue")
        begin_fill()
        circle(radius)
        end_fill()
first_radius = int(input("What is the first circle's radius?: "))
circle_in_square(first_radius)