print("***************")
# ask for age
age = input("How old are you: ")
# Only check for ages if not empty string
if age != "":
	age = int(age)	   
	if age >=18 and age< 21:
		# 18-21 wristband
		print("You can enter, but need a wristband")
	elif age >=21:
		# 21+ drink,normal entry
		print("You are good to enter and can drink")
	else:
		# too young, sorry
		print("Sorry, you are too young to drink :(")

else:
	print("Please enter a age")


# OR
age = input("How old are you: ")
if age:
	age = int(age)
	if age >= 21:
	    print("You are good to enter and can drink!")
	elif age >= 18:
	    print("You can enter, but need a wristband!")
	else: 
		print("You can't come in, little one! :(")
else:
	print("Please enter an age!")
5f348327f84686a7862844c1ebb12dd57da51dd8
<mask token>

print('***************')
<mask token>
if age != '':
    age = int(age)
    if age >= 18 and age < 21:
        print('You can enter, but need a wristband')
    elif age >= 21:
        print('You are good to enter and can drink')
    else:
        print('Sorry, you are too young to drink :(')
else:
    print('Please enter a age')
<mask token>
if age:
    age = int(age)
    if age >= 21:
        print('You are good to enter and can drink!')
    elif age >= 18:
        print('You can enter, but need a wristband!')
    else:
        print("You can't come in, little one! :(")
else:
    print('Please enter an age!')

print('***************')
age = input('How old are you: ')
if age != '':
    age = int(age)
    if age >= 18 and age < 21:
        print('You can enter, but need a wristband')
    elif age >= 21:
        print('You are good to enter and can drink')
    else:
        print('Sorry, you are too young to drink :(')
else:
    print('Please enter a age')
age = input('How old are you: ')
if age:
    age = int(age)
    if age >= 21:
        print('You are good to enter and can drink!')
    elif age >= 18:
        print('You can enter, but need a wristband!')
    else:
        print("You can't come in, little one! :(")
else:
    print('Please enter an age!')

print("***************")
# ask for age
age = input("How old are you: ")
# Only check for ages if not empty string
if age != "":
	age = int(age)	   
	if age >=18 and age< 21:
		# 18-21 wristband
		print("You can enter, but need a wristband")
	elif age >=21:
		# 21+ drink,normal entry
		print("You are good to enter and can drink")
	else:
		# too young, sorry
		print("Sorry, you are too young to drink :(")

else:
	print("Please enter a age")


# OR
age = input("How old are you: ")
if age:
	age = int(age)
	if age >= 21:
	    print("You are good to enter and can drink!")
	elif age >= 18:
	    print("You can enter, but need a wristband!")
	else: 
		print("You can't come in, little one! :(")
else:
	print("Please enter an age!")