Snippet improvement

Author: pedromsousalima

content/hardware/08.edu/solution-and-kits/alvik/tutorials/getting-started/getting-started.md

@@ -94,19 +94,16 @@ Now that all the previous steps have been set, let's see how to make Alvik movin
 ``` python
 from arduino_alvik import ArduinoAlvik
 from time import sleep_ms
-import sys
 
 alvik = ArduinoAlvik()
 alvik.begin()
-sleep_ms(5000)  # waiting for the robot to setup
-distance = 12
+distance = 15
 degrees = 45.00
 speed = 10.00
 
 while (True):
 
     distance_l, distance_cl, distance_c, distance_r, distance_cr  = alvik.get_distance()
-    sleep_ms(50)
     print(distance_c)
 
     if distance_c < distance:
@@ -122,6 +119,7 @@ while (True):
     else:
         alvik.drive(speed, 0.0, linear_unit='cm/s')
 
+    sleep_ms(100)
 ```
 
 **4. **Connect Alvik to your PC using the cable included in the box, under the tray.