text: '''
  All modules and global variables can be set in this file
  Author: Akhil P M
  '''
  
  import numpy as np
  import matplotlib.pyplot as plt
  import scipy
  import scipy.optimize
  import time
  import matplotlib.gridspec as gridspec
  from sklearn.datasets.mldata import fetch_mldata
  from sklearn.cross_validation import train_test_split
  from sklearn.cross_validation import StratifiedShuffleSplit
  from sklearn.metrics import accuracy_score
  from sklearn import preprocessing
  from numpy import genfromtxt
  