Programming in Python 3: a complete introduction to the Python language

摘要

Python is a versatile object-oriented programming language. Students learn it in their first programming course, and professionals implementing solutions to the most challenging problems use it as well. After a long wait, Python is now in its third version. Deprecated features retained through the different versions in the 2.X series have been abandoned. It is a new, improved language, and not merely an evolutionary step.