python实现简单的switch功能

官方原文：

def function_1(...):    ...functions = {'a': function_1,             'b': function_2,             'c': self.method_1, ...}func = functions[value]func()
简单实现：

each = {    0: 0,    1000: 1,    1500: 2,    2000: 3,}func = each[0]

print(fuc)

PS：官方网址：https://docs.python.org/2/faq/design.html#why-isn-t-there-a-switch-or-case-statement-in-python