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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def venv_install(self, package_name, venv_path):
 """Installs a given python package into a given virtual environment. :param str package_name: :param str venv_path: """

        self.logger.debug('Installing `%s` into `%s` ...' % (package_name, venv_path))
        self._run_shell_command('. %s/bin/activate && pip install -U %s' % (venv_path, package_name))