old_contents: print('demonios la wea complicada')
  
new_contents: import test
  
  
  print('the area of a circle of radius 3 is',test.circunference(3))
  print('the area of a circle of radius 5 is',test.areac(5))
  
  print('demonios la wea complicada')
  
subject: include a script that use test