oeileyo

<?xml version="1.0" encoding="UTF-8"?>
<module type="PYTHON_MODULE" version="4">
  <component name="NewModuleRootManager">
    <content url="file://$MODULE_DIR$" />
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
  <component name="TestRunnerService">
    <option name="PROJECT_TEST_RUNNER" value="Unittests" />
  </component>

oeileyo

class Element:
    def __init__(self, el=None, nextel=None):
        self.el = el
        self.next_el = nextel


class ListForward:
    def __init__(self):
        self.first = None
        self.last = None