Cao Yi

修改错字

Update app.py

3

按照原文的方式，会输出为文件。加了content-type才会按html方式显示

An answer and its explanation are contradictory

3

### Page URL https://ethereum.org/en/quizzes/ ### Question content Using Ethereum -> 3. Layer 2  Question:  The answer and its explanation are contradictory:  ### Would you like to work...