#Introduction to Python from turtle import * from random import * def draw_pol(sides,length): for n in range(sides): forward(length) left(360/sides) def enter_pol(): print("Sides:") your_sides=int(input()) print("Length:") your_length=int(input()) draw_pol(your_sides,your_length) def enter_key(): secret_key=randint(1,3) your_key=-1 while your_key!=secret_key: print("Enter the secret key:") your_key=int(input()) check_value(your_key,1,3) def check_value(val,min_val,max_val): if val<min_val or val>max_val: print("Invalid value!") def start_prog(): print("Hello!") enter_key() enter_pol() print("Bye!") start_prog() #end of script