.. ot-exercise:: python.exercises.legacy.for_primeness
   :dependencies: python.exercises.legacy.while_primeness,
		  python.basics.python_0220_for,
		  python.basics.python_0225_range

.. include:: <mmlalias.txt>


Exercise: Primeness (``for``)
=============================

.. sidebar::

   **See also**

   * :doc:`/trainings/material/soup/python/basics/python_0139_commandline_argv/topic`
   * :doc:`/trainings/material/soup/python/basics/python_0150_datatypes_overview/topic` ("Datatype Conversions")
   * :doc:`/trainings/material/soup/python/basics/python_0220_for/topic`
   * :doc:`/trainings/material/soup/python/basics/python_0225_range/topic`

Convert the program from exercise :doc:`while_primeness` as follows.

* Use a ``for`` loop instead of a ``while`` loop
* Use the ``range()`` function to specify the range of divisor
  candidates

Compare both ``while`` and ``for`` solutions. Which one appears more
readable?