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turtle.tracer() function in Python

  • Last Updated : 06 Aug, 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.tracer()

This function is used to turn turtle animation on or off and set a delay for update drawings.

Syntax : turtle.tracer(n=None, delay=None)

Parameters:

  • n: If n is given, only each n-th regular screen update is really performed.
  • delay: sets delay value

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



Example 1 :

Python3




# importing package
import turtle
  
# check default value
print(turtle.tracer())

Output :

1

Example 2 :

Python3




# importing package
import turtle
  
# loop for motion with
# default tracer as 1
for i in range(20):
    turtle.forward(1+1*i)
    turtle.right(45)
  
# set tracer values as (2,0)
# 2 -> for screen update
# 0 -> delay
turtle.tracer(n=2, delay=0)
  
# loop for motion with
# above tracer values
for i in range(20, 40):
    turtle.forward(1+1*i)
    turtle.right(45)
  
# set tracer values as (1,50)
# 1 -> for screen update
# 50 -> delay
turtle.tracer(n=1, delay=50)
  
# loop for motion with
# above tracer values
for i in range(40, 60):
    turtle.forward(1+1*i)
    turtle.right(45)

Output :

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