#for1.py
#range(stop) range(start, stop) range(start, stop, step)
for zaehler in range(1,11):
  print zaehler

for zaehler in range(10,-1,-1):
  print zaehler

for zaehler in range(0,20,2):
  print zaehler

from turtle import *
reset()
for zaehler in range(6):
  forward(100)
  left(60)
exitonclick()

from turtle import *
reset()
for zaehler in range(11):
  forward(100)
  left(360.0/11.0)
exitonclick()