turtle.onkey() function in Python

Last Updated : 26 Jul, 2020

The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version of Python installed with Tk support.

turtle.onkey()

This function is used to bind fun to the key-release event of the key. In order to be able to register key-events, TurtleScreen must have focus.

Syntax :

turtle.onkey(fun, key)

Parameters:

Arguments	Description
fun	a function with no arguments
key	a string: key (e.g. "a") or key-symbol (e.g. "space")

Below is the implementation of the above method with some examples :

Example 1 :

Python3

# import package import turtle # method for key call def fxn(): turtle.forward(40) # set turtle screen size sc=turtle.Screen() sc.setup(600,300) # motion turtle.forward(40) # call method on Right key turtle.onkey(fxn,'Right') # to listen by the turtle turtle.listen()

Output :

Example 2 :

Python3

# import package import turtle # methods with different work  # at different keys def fxn(): turtle.forward(20) def fxn1(): turtle.right(90) def fxn2(): turtle.left(90) # set screen size sc=turtle.Screen() sc.setup(500,300) # call methods turtle.onkey(fxn,'space') turtle.onkey(fxn1,'Right') turtle.onkey(fxn2,'Left') # to listen by the turtle turtle.listen()

Output :

turtle.mode() function in Python

D

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