<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def python_parser(self, obj, *args):
 """operate a python obj"""

        attr, args = args[0], args[1:]
        item = getattr(obj, attr)
        if callable(item):
            item = item(*args)
        return [item]