擅长:python、mysql、java
<p>你的缩进不正确</p>
<p/><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">&13;
第13部分,;
<pre class="snippet-code-html lang-html prettyprint-override"><code>from ev3dev2.motor import MoveTank, OUTPUT_B, OUTPUT_C
from ev3dev2.button import Button
from ev3dev2.sound import Sound
from time import sleep
import time
sound = Sound()
btn = Button()
tank_pair = MoveTank(OUTPUT_B, OUTPUT_C)
def movement(left_speed, right_speed, rotations):
tank_pair.on_for_rotations(left_speed, right_speed, rotations, brake=True, block=True)
while not btn.any():
movement(20,20,10)
movement(-100,0,1.5)
movement(20,20,10)
sleep(0.01)
while btn.any():
sleep(0.01)
tank_pair.off()
sound.beep()
exit()</code></pre>
;
</div>和#13;
</div>和#13;