He expects you to already be convinced that writing idiomatic Python is what you want to do. If you're not, here are some arguments:
1. The idioms are generally the most elegant way of using the language, so if you use them, it means that you will use the language in the most efficient manner ("with" statement for file handling is one example);
2. It's easier for other people to work with your code;
3. You feel good knowing you're doing the right thing.
1. The idioms are generally the most elegant way of using the language, so if you use them, it means that you will use the language in the most efficient manner ("with" statement for file handling is one example);
2. It's easier for other people to work with your code;
3. You feel good knowing you're doing the right thing.