<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_nonoauth_parameters(self):
 """Get any non-OAuth parameters."""

        return dict([(k, v) for k, v in self.items() 
                    if not k.startswith('oauth_')])