Python Questions.docVIP

Have you ever used Python, for how long? Python can be used on what kinds of OS? Python runs on Windows, Linux/Unix, Mac OS X, and has been ported to the Java and .NET virtual machines. What’s the versions of Python have you used, what version is the major versions of Python? Python 2.x is the status quo, Python 3.x is the shiny new thing. At the time of writing (July 4, 2010), the final 2.7 release is out, with a statement of extended support for this end-of-life release. The 2.x branch will see no new major releases after that. Version 3.1 already available and 3.2 due for release around the turn of the year Python is interpreted language or compiled language? Python is interpreted language, and can be pre-compiled to byte-code. What’s the different between running py and pyc file? When running python test.py the interpreter will first pre-compile the test.py source file, and then execute it. When running python test.pyc, the interpreter will go straight to the execution of the script. Python is OO or not? Python is OO (Object Oriented). Function is Object or not in Python? Everything in Python is Object in Python, include function. What’s module in Python? A module is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended. Within a module, the module’s name (as a string) is available as the value of the global variable __name__. What are packages in Python? Packages are a way of structuring Python’s module namespace by using “dotted module names”. For example, the module name A.B designates a sub-module named B in a package named A. Python language contains what items and how does it organized? Programs are composed of modules A module can contain executable statements as well as function definitions. Statements contain expressions Expressions create and process objects What kind of IDE for Python have you ever used? Eclipse NetBeans PythonWin Wing IDE Boa Constructor Pydev Eric4 Idl