old_contents: # test round() with floats
  
  # check basic cases
  tests = [
      [0.0], [1.0], [0.1], [-0.1], [123.4], [123.6], [-123.4], [-123.6],
      [1.234567, 5], [1.23456, 1], [1.23456, 0], [1234.56, -2]
  ]
  for t in tests:
      print(round(*t))
  
  # check .5 cases
  for i in range(11):
      print(round((i - 5) / 2))
  
  # test second arg
  # TODO uPy currently only supports second arg being 0
  print(round(1.4, 0))
  
new_contents: # test round() with floats
  
  # check basic cases
  tests = [
      [0.0], [1.0], [0.1], [-0.1], [123.4], [123.6], [-123.4], [-123.6],
      [1.234567, 5], [1.23456, 1], [1.23456, 0], [1234.56, -2]
  ]
  for t in tests:
      print(round(*t))
  
  # check .5 cases
  for i in range(11):
      print(round((i - 5) / 2))
  
  # test second arg
  for i in range(-1, 3):
      print(round(1.47, i))
  
subject: Test round() with second arg.