Ejercicio139

# -*- coding: utf-8 -*-
from modulepythong import *

x1 = -2
x2 = 2
puntos = 50

window_size(500, 500)
window_coordinates(x1-1, -5, x2+1, 5)

incremento = 0.0002

x = x1

while x <= x2 :
    if x!=-1 :
        create_line(x, (x+1)**-1,x+incremento,(x+1+incremento)**-1,'blue')
        x += incremento

create_point(-1, 0, 'red')

print'Pulsa <Return> para salir: '
raw_input()