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初学Python练题:while循环(九),使用用户输入填充字典

  • 2026-02-10 11:11:51
初学Python练题:while循环(九),使用用户输入填充字典

使用while循环可以提示用户输入任意多的信息。

下面是一个调查用户的小程序，

1. 定义一个空字典（responses）

2.设置一个标志（polling_active）用于判断调查是否继续

3. 提示用户输入

4. 将用户输入的信息存储到字典中

5.询问有没有接受调查的用户，如果输入“没有”，标志（polleat_active）将被设置为False。循环结束。

6. 最后显示调查结果

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  1. CONNECT:[ UseTime:0.001308s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001866s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006933s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.015559s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001556s ]
  6. SELECT * FROM `set` [ RunTime:0.013637s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001624s ]
  8. SELECT * FROM `article` WHERE `id` = 474736 LIMIT 1 [ RunTime:0.006014s ]
  9. UPDATE `article` SET `lasttime` = 1770702741 WHERE `id` = 474736 [ RunTime:0.014772s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001292s ]
  11. SELECT * FROM `article` WHERE `id` < 474736 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.047215s ]
  12. SELECT * FROM `article` WHERE `id` > 474736 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004503s ]
  13. SELECT * FROM `article` WHERE `id` < 474736 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.065265s ]
  14. SELECT * FROM `article` WHERE `id` < 474736 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.048578s ]
  15. SELECT * FROM `article` WHERE `id` < 474736 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.072742s ]
0.489818s