Python 3.5 有什么新特性？
Python Release Python 3.5.0a3
Python 3.5.0a3 was released on March 30th, 2015.
Major new features of the 3.5 series, compared to 3.4
Python 3.5 is still in development, and 3.5.0a1 is the second alpha release. Many new features are still being planned and written. Among the new major new features and changes in the 3.4 release series so far are