Draw sun using Turtle module in Python

Printing pattern with Recursion using Python Turtle

Last Updated : 25 Oct, 2021

Pre-requisites: Turtle Programming in Python

In this article, we are going to display the following pattern using Python Turtle with recursion.

In this pattern, the first circle should start with 100-pixel radius, and each subsequent circle is 5 pixels smaller until it reaches radius 10 when the last circle is indrawn. The first circle is drawn with a red pen, then green, then yellow, then blue.

Approach:

Iterate through a list of colors red, green, yellow, blue.
Set the pen color
Call a function to draw a circle with a radius size set to 100, the function will recursively call itself until it reaches size 10, which will be the last circle.
Turn 90 degrees to the right.

Below is the implementation:

[tabby title="Python3"][sourcecode language="python3"]import turtle # Recursive function to print # circles with reducing radius def printCircle(r): # If radius is less than 10 if r < 10: return else: # function to draw circle # with radius r turtle.circle(r) # function calling itself # with radius decreased by 5 printCircle(r-5) # list of colors colors = ["red", "green", "yellow", "blue"] # printing circles for each color for c in colors: # setting stroke color of circle turtle.color(c) printCircle(100) # turning the pen 90 degrees to right turtle.right(90) # (optional) # To stop the window from closing input() [/sourcecode][tabbyending]

Output:

Draw sun using Turtle module in Python

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