Python的递归练习：问路

 1 import time
 2 
 3 person_list = ["桂香", "黄熙", "李海"]
 4 
 5 
 6 def getAskWay(person_list):
 7     print("-" * 20)
 8     if len(person_list) == 0:
 9         return "没人知道"
10 
11     person = person_list.pop(0)
12     if person == "李海":
13         return "%s：我知道，就在..." % (person)
14 
15     print("hi,帅哥 %s,敢问路在何方？" % person)
16     print("%s：我不知道，但念你慧眼识猪，我去帮我你问问 %s ..." % (person, person_list[0]))
17     time.sleep(2)
18     rst = getAskWay(person_list)
19     print("%s问的结果是：%s" % (person, rst))
20     return rst
21 
22 
23 rst = getAskWay(person_list)
24 print(rst)