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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 _variable_parts(self, line, codeline):
 """Return variable parts of the codeline, given the static parts."""

        var_subs = []
        # codeline has pattern and then has the outputs in different versions
        if codeline:
            var_subs = self._find_variable(codeline.pattern, line)
        else:
            # make variable part of the line string without all the other stuff
            line_str = self._strip_datetime(self._strip_counters(line))
            var_subs = [line_str.strip()]
        return var_subs