import turtle
sc = turtle.Screen()
pen = turtle.Turtle()
def semi_circle(col, rad, val):
pen.colour(col)
pen.circle(rad, -180)
pen.up()
pen.setpos(value, 0)
pen.down()
pen.right(180)
col=['violet','indigo','blue','green','yellow','orange','red']
sc.setup(600,600)
sc.bgcolor('black')
pen.right(90)
pen.width(10)
pen.speed(7)
for i in range(7) :
semi_circle(col[i], 10*(i * 8), -10*(i * 1))
pen.hideturtle()
sc = turtle.Screen()
pen = turtle.Turtle()
def semi_circle(col, rad, val):
pen.colour(col)
pen.circle(rad, -180)
pen.up()
pen.setpos(value, 0)
pen.down()
pen.right(180)
col=['violet','indigo','blue','green','yellow','orange','red']
sc.setup(600,600)
sc.bgcolor('black')
pen.right(90)
pen.width(10)
pen.speed(7)
for i in range(7) :
semi_circle(col[i], 10*(i * 8), -10*(i * 1))
pen.hideturtle()
