String classification
=====================

Save all these functions in file :file:`classify.py`

#. Write function :py:func:`class1` that, given a text (:class:`str`),
   returns ``True`` if it contains only lowercase letters and
   ``False`` otherwise. Examples:

   .. literalinclude:: test-class1.txt
      :language: python3
      :lines: 3-

   .. note::
      More tests are provided in file :download:`test-class1.txt <test-class1.txt>`

#. Write function :py:func:`class2` that, given a text (:class:`str`),
   returns ``True`` if it represents a real amount and 
   ``False`` otherwise. Examples:

   .. literalinclude:: test-class2.txt
      :language: python3
      :lines: 3-

   .. note::
      More tests are provided in file :download:`test-class2.txt <test-class2.txt>`

.. rubric:: Solution

A solution is provided in file
:download:`classify.py<solution/classify.py>`.