turtle.pen() function in Python

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.pen()

This function is used to return or set the pen’s attributes in a ‘pen-dictionary’ with the following key/value pairs:

• “shown” : True/False
• “pendown” : True/False
• “pencolor” : color-string or color-tuple
• “fillcolor” : color-string or color-tuple
• “pensize” : positive number
• “speed” : number in range 0..10
• “resizemode” : “auto” or “user” or “noresize”
• “stretchfactor”: (positive number, positive number)
• “shearfactor” : number
• “outline” : positive number
• “tilt” : number

This dictionary can be used as an argument for a subsequent pen()-call to restore the former pen-state. Moreover, one or more of these attributes can be provided as keyword-arguments. This can be used to set several pen attributes in one statement.

Syntax : turtle.pen(pen=None, **pendict) 

Parameters:

• pen : a dictionary with some or all of the below listed keys.
• **pendict : one or more keyword-arguments with the below listed keys as keywords.

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

Example 1 :

Python3

# import package
import turtle

# check default values
print(turtle.pen())

Output :

{‘shown’: True, ‘pendown’: True, ‘pencolor’: ‘black’, ‘fillcolor’: ‘black’, ‘pensize’: 1, ‘speed’: 3, 
‘resizemode’: ‘noresize’, ‘stretchfactor’: (1.0, 1.0), ‘shearfactor’: 0.0, ‘outline’: 1, ’tilt’: 0.0}

Example 2 :

Python3

# import package
import turtle

# check default to compare
print(turtle.pen())

# update with some inputs
turtle.pen(pencolor="red", outline=2)

# again check
print(turtle.pen())

Output :

{‘shown’: True, ‘pendown’: True, ‘pencolor’: ‘black’, ‘fillcolor’: ‘black’, ‘pensize’: 1, ‘speed’: 3, 
‘resizemode’: ‘noresize’, ‘stretchfactor’: (1.0, 1.0), ‘shearfactor’: 0.0, ‘outline’: 1, ’tilt’: 0.0} 
{‘shown’: True, ‘pendown’: True, ‘pencolor’: ‘red’, ‘fillcolor’: ‘black’, ‘pensize’: 1, ‘speed’: 3, 
‘resizemode’: ‘noresize’, ‘stretchfactor’: (1.0, 1.0), ‘shearfactor’: 0.0, ‘outline’: 2, ’tilt’: 0.0}