--- id: 5e7b9f060b6c005b0e76f059 title: 更多条件结构 challengeType: 11 videoId: HdL82tAZR20 bilibiliIds: aid: 631930118 bvid: BV1Nb4y1r7z2 cid: 376337449 dashedName: more-conditional-structures --- # --description-- 更多资源: \- [练习 1](https://www.youtube.com/watch?v=crLerB4ZxMI) \- [练习 2](https://www.youtube.com/watch?v=KJN3-7HH6yk) # --question-- ## --text-- 给出以下代码: ```python temp = "5 degrees" cel = 0 fahr = float(temp) cel = (fahr - 32.0) * 5.0 / 9.0 print(cel) ``` 哪一行/几行应该被 `try` 块包围? ## --answers-- 1 --- 3 --- 3、4 --- 4 --- 无 ## --video-solution-- 3