text: import numpy as np
  
  print "\n========a=========="
  a = np.arange(0, 1, 0.1)
  print a
  
  print "\n========b=========="
  b = np.arange(0, 5.6)
  print b
  
  print "\n========c=========="
  c = np.arange(0.3, 4.2)
  print c
  
  print "\n========d=========="
  d = np.linspace(0, 1, 12)
  print d
  
  print "\n========d=========="
  e = np.linspace(0, 10)
  print e
  print 'length of e is %d' % len(e)
  
  
  
  