import time
array = ["a"]
class alarm():
def __init__(self):
self.time = 20
def activate(self,btn):
if btn == "on":
for i in array:
print("Alerta..!!")
time.sleep(2)
array.insert("b")
time.sleep(1)
alarm = alarm()
opt = str(input("press the btn:\n"))
if opt == "yes":
alarm.activate("on")
.insert(indice, valor)
.append(valor)
python -V
/usr/bin/python3 script.py