The second for loop simplifies this process a little by using an implicit variable (that is, one that isn't explicitly created) for the file object.

第二个for循环通过使用file对象的隐式变量(也就是说，变量不是显式创建的)，对这个过程稍做了点儿简化。

youdao

The second for loop simplifies this process a little by using an implicit variable (that is, one that isn't explicitly created) for the file object.

第二个for循环通过使用file对象的隐式变量(也就是说，变量不是显式创建的)，对这个过程稍做了点儿简化。

youdao