import time
import machine 
import random 

pins=[6,7,8,9,10,11,12,13,14,15]
leds=[]
for pin_number in pins:
    led=machine.Pin(pin_number,machine.Pin.OUT)
    leds.append(led)

def all_on():
    for led in leds:
        led.value(1)

def all_off():
    for led in leds:
        led.value(0)

###################################

def pattern_alternate():
    for i in range(10):
      leds[i].value (i%2)
    time.sleep(2)

###################################

def pattern_center_out():
    mid=4
    for offset in range(5):
        all_off()
        leds[mid-offset].value (1)
        leds[mid+offset].value (1)
        time.sleep(0.3) 

####################################

def pattern_random ():
    for _ in range(30):
        idx=random.randint(0,5)
        leds[idx].value(random.randint(0,1))
        time.sleep(0.05)
    all_off()

####################################

def pattern_ranner (color_delay=0.05):
  for i in range(10):
    all_off()
    leds[i].value(1)
    time.sleep(color_delay) 
  for i in range(4,-1,-1):
    all_off()
    leds[i].value(1)
    time.sleep(color_delay) 
        
####################################

def pattern_ranner1 (color_delay=0.05):

  for i in range(10):
    all_off()
    leds[i].value(1)
    time.sleep(color_delay) 
  for i in range(4,1,1):
    all_off()
    leds[i].value(1)
    time.sleep(color_delay) 
        
patterns =[all_on,pattern_alternate
           ,all_off
           ,pattern_center_out
           ,all_off
           ,pattern_random
           ,all_off
           ,pattern_ranner
           ,all_off
           ,pattern_ranner1]

####################################

while True:
    for pattern in patterns:
        pattern()
        time.sleep(1)