Making Rainbow Using Python

 # Making Rainbow Using Python.....

# Import turtle package

import turtle

# Creating a turtle screen object

sc = turtle.Screen()

# Creating a turtle object(pen)

pen = turtle.Turtle()

# Defining a method to form a semicircle

# with a dynamic radius and color

def semi_circle(col, rad, val):

    # Set the fill color of the semicircle

    pen.color(col)

    # Draw a circle

    pen.circle(rad, -180)

    # Move the turtle to air

    pen.up()

    # Move the turtle to a given position

    pen.setpos(val, 0)

    # Move the turtle to the ground

    pen.down()

    pen.right(180)

# Set the colors for drawing

col = ['violet', 'indigo', 'blue',

    'green', 'yellow', 'orange', 'red']

# Setup the screen features

sc.setup(500, 500)

# Set the screen color to black

sc.bgcolor('black')

# Setup the turtle features

pen.right(90)

pen.width(10)

pen.speed(10)

# Loop to draw 7 semicircles

for i in range(7):

    semi_circle(col[i], 10*(i + 5), -10*(i + 1))

# Hide the turtle

pen.hideturtle()

...Output...