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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 detect(self):
 """Detect and return the IP address."""

        if PY3:  # py23
            import subprocess  # noqa: S404 @UnresolvedImport pylint: disable=import-error
        else:
            import commands as subprocess  # @UnresolvedImport pylint: disable=import-error
        try:
            theip = subprocess.getoutput(self.opts_command)  # noqa: S605
        except Exception:
            theip = None
        self.set_current_value(theip)
        return theip