How to draw a Square using Turtle Graphics

Overview

In this post, we will draw a square using the Turtle graphics python program. We will learn to define a function to draw the square and invoke the function from the main.

Import Turtle

To import the turtle module, we can use the following statement:

import turtle

Create a turtle screen and a turtle object:

WindowTurtleScreen=turtle.Screen()

tDocsTurtle = turtle.Turtle()

Program

#Import turtle module 
import turtle

#############################################
# Function to draw square # 
# using Turtle graphics #
#############################################
def TurtleSquare(tDocsTurtle,sideLength):

 tDocsTurtle.penup()
 tDocsTurtle.goto(-100, -100) #just to center
 tDocsTurtle.pendown()
 
 #Draw Square Four sides
 for i in range(4):
 # Draw side
 tDocsTurtle.forward(sideLength)
 # Turn 90 degrees
 tDocsTurtle.left(90) 

 
 
########################################
# Main function #
########################################
def main():
 WindowTurtleScreen=turtle.Screen()
 tDocsTurtle = turtle.Turtle()
 WindowTurtleScreen.title("Square Turtle Program - www.TestingDocs.com")
 TurtleSquare(tDocsTurtle,300) 
 WindowTurtleScreen.exitonclick()
 

main()

Sample Output