Python学习笔记03-if语句

cars = 'times'
cars == 'times'
true

if cars != 'aa':
print('cars')
&& == and
| == or

requested_toppings = ['mushrooms','onions','pineapple']

if 'mushrooms' in requested_toppings :
true

age = 19
if age >= 18:
 print("You are old enough to vote!")

if age >= 18:
print("You are old")
elif age <= 19:
print("You are middle")
else:
print("You are youny")