import time
time.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico!")

from machine import Pin 

led=(Pin(10,Pin.OUT),Pin(11,Pin.OUT),
     Pin(12,Pin.OUT),Pin(13,Pin.OUT))

pattern=((1,0,0,0),(0,1,0,0),(0,0,1,0),(0,0,0,1))
pattern2=((1,0,0,1),(0,1,1,0))
while 1:
    for k in range(5):  #repeat times  
        for i in range(4): # how many pattern
            for j in range(4): # how many led
                led[j].value(pattern[i][j])
            time.sleep(0.5)
    for k in range(5):  #repeat times
        for i in range(2): # how many pattern
            for j in range(4): # how many led
                led[j].value(pattern2[i][j])
            time.sleep(0.5)