Nifi- converting json attributes as variables in executestreamcommand

Question

i want to Convert Json Format attributes using python script. For example,if i have an Json format like this

{"Sensor_name":"water","Sensor_id":"w1","Location_ip":"1.2","Sensor_value":"1002","Sensor_unit":"c89"}
 I want it like Sensor_name="water"
                Sensor_id="w1"  
                Location_ip="1.2"
                Sensor_unit="c89"