#Let user enter the number between 1 and 20, check if the number is valid, then check if the nunber is even or odd and give the square of the number as output to user
	enter_number = int(input("Please enter a number between 1 and 20: "))
	if enter_number >= 1:
	if enter_number <= 20:
	print("You have entered a valid number")
	if enter_number % 2 == 0:
	print("Your number is even")
	print(enter_number , 'is completely divisible by 2')
	elif enter_number % 2 == 1:
	print("Your number is odd")
	print(enter_number , 'is not divisible by 2')
	else:
	print("You've entered an invalid number")
	else:
	print("You've entered an invalid number")