from machine import Pin
from utime import sleep
from segment7 import disp7

sleep(0.1)
pb1=Pin(28, Pin.IN, Pin.PULL_UP)
pb2=Pin(26, Pin.IN, Pin.PULL_UP)

while 1:
    for k in range(100):
    disp7(k)
    sleep(0.4)

    if pb1.value()==0:  
        if pressed:  
            number +=4 
            if number > 99:  
                number=99
            
    if pb2.value()==0:
        if pressed:
            number +=4
            if number < 0:
                number=0