Python IDE and GUI Framework for Windows

Python内建函数之——filter,map,reduce

     在讲述filter，map和reduce之前，首先介绍一下匿名函数lambda。
     lambda的使用方法如下：lambda [arg1[,arg2,arg3,...,argn]] : expression
     例如：
     >>> add = lambda x,y : x + y
>>> add ......

Python 嵌套函数与变量作用域

a=1
print id(a)
a=2
print id(a)
a=a+1
print id(a)
-------------------------------------------------------------------------------------------------------------------------
t=6
def tt():
    global t
    t=t+1
    print t
print t
tt()
� ......

【转】Python实现的HMM类

#!/usr/bin/env python """
HMM module This module implements simple Hidden Markov Model class. It follows the description in
Chapter 6 of Jurafsky and Martin (2008) fairly closely, with one exception: in this
implementation, we assume that all states are initial states. @author: R ......

Python IDE and GUI Framework for Windows

Python内建函数之——filter,map,reduce

Python 嵌套函数 与 变量作用域

【转】Python实现的HMM类

Python 嵌套函数与变量作用域