new_contents: """
  categories: Types,list
  description: List slice-store with non-iterable on RHS is not implemented
  cause: RHS is restricted to be a tuple or list
  workaround: Use ``list(<iter>)`` on RHS to convert the iterable to a list
  """
  l = [10, 20]
  l[0:1] = range(4)
  print(l)
  
subject: Add a test for storing iterable to a list slice.