import time
from machine import Pin
from utime import sleep
time.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico!")
led1=Pin(4,Pin.OUT)
str="sos MORSE"
str=str.lower()
dict={"a":"01","b":"100","c":"1010","d":"100","e":"0","f":"1101","g":"110","h":"0000",
      "i":"00","j":"0111","k":"101","l":"1011","m":"11","n":"10","o":"111","p":"0110",
      "q":"1101","r":"101","s":"000","t":"1","u":"110","v":"1110","w":"011","x":"1001",
      "y":"1011","z":"1100"," ":"0000000"}
for ch in str :
    ch1 = dict.get(ch) 
    print(ch," : ",end=' ')
    for ch2 in ch1 :
        if ch2=='0' :
            led1.toggle()
            sleep(0.25)
            print('.' ,end=' ')
            led1.toggle()
            sleep(1)
        if ch2=='1' :
            led1.toggle()
            sleep(1)
            print('_',end=' ')
            led1.toggle()
            sleep(1)
    print()
print()