<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_values(self):
 """Get all visual property values for the object :return: dictionary of values (VP ID - value) """


        results = requests.get(self.url).json()
        values = {}
        for entry in results:
            values[entry['visualProperty']] = entry['value']
        return values