Correction T-V-P

from hcsr04 import* from time import* c=HCSR04(trig=14,echo=27) b=Pin(17,Pin.IN) s=PWM(Pin(32,Pin.OUT)) s.freq(50) rt=Pin(25,Pin.OUT) bt=Pin(26,Pin.OUT) rv=Pin(23,Pin.OUT) ov=Pin(22,Pin.OUT) vv=Pin(21,Pin.OUT) rp=Pin(19,Pin.OUT) vp=Pin(18,Pin.OUT) while True:     d=c.distance()     if d<200:         rv.on()         rp.on()         vp.off()         s.duty(75)         rt.on()         bt.off()         sleep(0.2)         bt.on()         rt.off()         sleep(0.2)     else:         s.duty(27)         rt.off()         bt.off()           if b.value()==0:             vp.on()             rp.off()         else:             vp.off()             rp.on()             rv.off()             vv.on()             sleep(1)             vv.off()             for i in range(3):                 ov.on()                 sleep(0.2)                 ov.off()                 sleep(0.2)             rv.on()             sleep(1)