Python-сообщество

 import turtle
import math
turtle.shape('turtle')
e=3.14159265358979
a=10
k=a/(2*e)
g=0
while g<3*(2*e):
    D=k*g
    x = D * math.cos(g)
    y = D * math.sin(g)
    turtle.goto(x,y)
    g=0.1+g

 import turtle
import math
turtle.shape('turtle')
e=3.14159265358979
a =- 2
b =- 3
theta=0
while theta<10*e:
    theta=0.01+theta
    r =- a + b*theta
    x=r*math.cos(theta)
    y=r*math.sin(theta)
    turtle.goto(x, y)