Something

from math import *

print "G20 F60"
print "G64 P0.001"
a=.1
for i in range(100):
    t = i/10.
    x = a * (cos(t) + t * sin(t))
    y = a * (sin(t) - t * cos(t))
    print "G01 X%f Y%f" % (x,y)
print "M2"