TypeError: 'str' object does not support item assignment

 1 response = {}
 2 
 3 #设置一个标志，指出调查是否进行
 4 polling_active = True
 5 
 6 while polling_active:
 7     #提示输入被调查者的名字和回答
 8     name = input("\nwhat is your name? ")
 9     response = input("Which moutain would you like to climb someday? ")
10 
11     #将答案存储在字典中
12     response[name] = response
13 
14     #看看是否还有人要参与调查
15     repeat = input('would you like to let another person respond?(yes/no)')
16     if repeat == 'no':
17         polling_active = False
18 
19 #调查结束，显示结果
20 print('\n--- Poll Results ---')
21 for name, response in response.items():
22     print(name + " would like to climb " + response + ".")

上述代码运行会出错：

1 what is your name? Jony
2 Which moutain would you like to climb someday? Huangshan
3 Traceback (most recent call last):
4   File "mountain_poll.py", line 12, in <module>
5     response[name] = response
6 TypeError: 'str' object does not support item assignment
7 
8 ***Repl Closed***

 

 

　　

 

 后面进行修改（修改部分为红色加粗的代码），发现可以正常运行了，但是不知道是什么原因？希望有大神可以指导一下，谢谢大家！

 1 response = {}
 2 
 3 #设置一个标志，指出调查是否进行
 4 polling_active = True
 5 
 6 while polling_active:
 7     #提示输入被调查者的名字和回答
 8     name = input("\nwhat is your name? ")
 9     response[name] = input("Which moutain would you like to climb someday? ")
10 
11     #将答案存储在字典中
12     # response[name] = response
13 
14     #看看是否还有人要参与调查
15     repeat = input('would you like to let another person respond?(yes/no)')
16     if repeat == 'no':
17         polling_active = False
18 
19 #调查结束，显示结果
20 print('\n--- Poll Results ---')
21 for name, response in response.items():
22     print(name + " would like to climb " + response + ".")

 

 

修改后运行结果：

1 what is your name? Jony
2 Which moutain would you like to climb someday? Huangshan
3 Traceback (most recent call last):
4   File "mountain_poll.py", line 12, in <module>
5     response[name] = response
6 TypeError: 'str' object does not support item assignment
7 
8 ***Repl Closed***

 

转载于:https://www.cnblogs.com/dreamer-lin/p/10805881.html