2016-04-02 2 views

ответ

2
import time 
import turtle 
a = turtle.Turtle() 
x = 0 
y = 10 
factor = 0.55 
while True: 
    a.forward (y) 
    x = factor * (x + y) 
    a.left(90) 
    a.forward (x) 
    y = factor * (x + y) 
    a.left (90) 
    time.sleep (0.02) 

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