def send_message():
number = ""
message = ""
while True:
num = prompt_text("Number to message:", init_text=number)
if num is None:
return
message = prompt_text("Message:", init_text=message)
if message is not None:
if sim800.sendsms(number, message):
return
import sim800
sim800.sendsms("Number to text","Message to send")