python demo整理

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1 變數範圍

#!/usr/bin/python# coding=utf-8name = "whole global name"class Person:    name = "class global name"    def __init__(self, new_name):        # 執行錨點(1)        # self.name = new_name        # 執行錨點(2)        name = new_name    def say_your_name(self):        print ‘My name is %s‘ % self.name  # -> (1) cat  (2) class global name        print ‘name within class Person is actually the global name: %s‘ % name  # -> (1) whole global name (2) whole global name        print "only access Person‘s name via Person.name=%s" % Person.name  # -> (1) class global name  (2) class global nameif __name__ == "__main__":    instance = Person("cat")    instance.say_your_name()    print "whole global name is %s" % name  # -> (1) whole global name (2) whole global name

 

python demo整理