old_contents: import sys
  import pikalang
  
  filename = sys.argv[-1]
  print(filename)
  sourcecode = pikalang.load_source(filename)
  
  if sourcecode:
      pikalang.evaluate(sourcecode)
  
new_contents: import sys
  import pikalang
  
  filename = sys.argv[-1]
  sourcecode = pikalang.load_source(filename)
  
  if sourcecode:
      pikalang.evaluate(sourcecode)
  
subject: remove print