code: def f5(x):
      r"""Hyperbola with a pole at x=1, but pole replaced with 0.  Not continuous at root."""
      if x != 1:
          return 1.0 / (1.0 - x)
      return 0
  
imports: from __future__ import division, print_function, absolute_import
  from random import random
  import numpy
  from scipy.optimize import zeros
label_desc: Use image node_id 11 for calling a global function with example usage: f5(x) and returns: int, unknown