from machine import Pin
import utime
b1=Pin(0,Pin.IN)
b2=Pin(1,Pin.IN)
p=0
c=0
while True:
    if b1.value()==0:
        #Left IR sensor for getting in
        print("============================")
        print("A passenger steped in")
        c=c+1
        p=p+1
        print("Current Passengers Count:\t",c)
        print("No of passengers travelled:\t",p)
        utime.sleep(1)
    if b2.value()==0:
        #Left IR sensor for getting out
        print("============================")
        print("A passenger steped out")
        c-=1
        if c<=0:
            c=0
        print("Current Passengers Count:\t",c)
        print("No of passengers travelled:\t",p)
        utime.sleep(1)