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+#!/usr/bin/python
+# coding=utf-8
+
+print ("""
+Naloga 6:
+ Robota postavi pred zid, tako da bo od njega oddaljen vsaj 1 m; vmes naj ne bo ovir.
+ Napisi program, s katerim bo robot vozil naravnost proti zidu z 80% mocjo.
+ Na razdalji 50 cm od zida naj robot zmanjsa hitrost na 20%, na razdalji 20 cm od zida pa naj se ustavi.
+""")
+import sys
+sys.path.append('/home/user/codeq')
+import time
+from ev3dev import *
+from mindstorms_widgets import mindstorms_widgets
+
+robot = mindstorms_widgets()
+robot.connect_motor( 'left' )
+robot.connect_motor( 'right' )
+robot.connect_sensor( 'ultrasonic' )
+robot.move_steering( 'on', power=80 )
+while robot.ultrasonic_sensor_measure( 'distance-cm' ) > 500:
+ pass
+robot.move_steering( 'on', power=20 )
+while robot.ultrasonic_sensor_measure( 'distance-cm' ) > 200:
+ pass
+robot.move_steering( 'off' )
+