text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  
  import numpy as np
  
  
  fid_both = open('../data/solution_both.txt')
  
  both = np.array([])
  
  for line in fid_both:
      both = np.append(both, float(line[:-1]))
  
  # print both
  
  
  fid_left = open('../data/solution_left.txt')
  
  left = np.array([])
  
  for line in fid_left:
      left = np.append(left, float(line[:-1]))
  
  # print left
  
  
  fid_center = open('../data/solution_center.txt')
  
  center = np.array([])
  
  for line in fid_center:
      center = np.append(center, float(line[:-1]))
  
  # print center
  
  
  summation = left + center
  error = abs(summation - both)
  
  if not np.any(error > 1e-4):
      print "Superposition holds!😋"
  else:
      print "Superpostion does not hold😞"
  