new_contents: #!/usr/bin/env python
  
  import math
  
  var1 = "Hello"
  var2 = "Worldpress"
  
  print "var1 = ", var1
  print "var2 = ", var2
  print "var1[0] = ", var1[0]
  print "var2[1:5] = ", var2[1:5]
  
  if ('H' in var1):
      print "H is in var1 ", var1
  else:
      print "H is not in var1 ", var1
  
  
  if ('H' not in var2):
      print "H is not in var2 ", var2
  else:
      print "H is in var2 ", var2
  
  
  var3 = var1 + var2;
  print "var1 + var2 = ", var3
  
  print "var1 = %s, var2 = %s" % (var1, var2)
  
  
subject: add 11-string.py