python - 不使用 break 缩短

Question

fun = input("Enter 1 or 2:")
if fun == '1':
   print("Programming is fun!")
elif fun == '2':
   print("You're getting the hang of this.")
elif fun == 'bye':
  print("Bye, bye.")
else:
    print("Sorry that isn't a 1 or 2.")
while fun != 'bye':
    fun = input("Enter 1 or 2:")
    if fun == '1':
        print("Programming is fun!")
    elif fun == '2':
        print("You're getting the hang of this.")
    elif fun == 'bye':
        print("Bye, bye.")
    else:
        print("Sorry that isn't a 1 or 2.")

所以基本上正如标题所说，我想知道是否有办法在不使用 break 语句的情况下缩短它？

标签： pythonpython-3.x

Answer 1

你是这个意思吗：

fun = ""
while fun != 'bye':
    fun = input("Enter 1 or 2:")
    if fun == '1':
        print("Programming is fun!")
    elif fun == '2':
        print("You're getting the hang of this.")
    elif fun == 'bye':
        print("Bye, bye.")
    else:
        print("Sorry that isn't a 1 or 2.")

当然，使用 Python 3.8 中新的“海象”运算符，您可以使用：

while (fun := input("Enter 1 or 2:")) != 'bye':
    ...