make a script run itself again python

#our code
var = input("Hi! I like cheese! Do you like cheese?").lower()
if var == "yes":
  print("That's awesome!")
#we could
def like_cheese():
  var = input("Hi! I like cheese! Do you like cheese?").lower()
  if var == "yes":
    print("That's awesome!")
    
while True:
  like_cheese()
#or you could just
while True:
  var = input("Hi! I like cheese! Do you like cheese?").lower()
  if var == "yes":
    print("That's awesome!")