时间戳

首页 > 解决方案 > 如何循环回到开头

python - 如何循环回到开头

问题描述

我将如何解决这个问题：

print 'Adventure Game'

choice_1 = raw_input('You are travelling down a long road, there is a fork in the route, one side goes to a jungle, and the other leads to a hill biome, which side do you choose?            J for Jungle, H for Hill ')

if choice_1 == 'J':
    print 'Jungle?, very well then' 

elif choice_1 == 'H':
    print 'Hill, good decision'

if choice_1 == 'J':
    choice_2 = raw_input('In the jungle, a king cobra appears behind you, as you look forward, an ape leaps from a tree onto the ground. Do you take your chances with the venomous king cobra, or the enormous ape? C for cobra, A for ape ')

while choice_2 != 'A':
    print 'Sorry, you were bit by the cobra and died'
    print 'Please try again'

if choice_2 == 'A':
    break

elif choice_2 == 'A':
    print 'You were almost mauled by the ape, luckily, it fleed the scene after loosing sight of you'

如果用户为choice_2选择c，我希望它重新启动，这样每次发生这种情况时它都会从头开始

标签： pythonloops

解决方案

我建议为每个位置使用函数，这样您就可以多次调用相同的函数或在其他函数中调用相同的函数。

例如：

def road():
    choice = ''
    while choice not in ['j','h']:
        choice = raw_input('You are travelling down a long road, there is a fork in the route, one side goes to a jungle, and the other leads to a hill biome, which side do you choose?            J for Jungle, H for Hill ').lower()
    if choice == 'j':
        jungle()
    elif choice == 'h':
        hill()

def jungle():
    choice = ''
    while choice not in ['c','a']:
        choice = raw_input('In the jungle, a king cobra appears behind you, as you look forward, an ape leaps from a tree onto the ground. Do you take your chances with the venomous king cobra, or the enormous ape? C for cobra, A for ape ').lower()

    if choice == 'c':
        print 'Sorry, you were bit by the cobra and died'
        print 'Please try again'
        return
    elif choice == 'a':
        print 'You were almost mauled by the ape, luckily, it fleed the scene after loosing sight of you'
        next_func_here()

while True:
    print 'Adventure Game Starts Here!'
    road()
    print 'restarting...'

这样您就可以快速轻松地继续添加功能，并且也更易于调试。while循环意味着如果退出road()，它会循环回到开头并重新启动road()。

推荐阅读