python之函数用法divmod

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法capitalize() #capitalize() #说明:将字符串的第一个字母变成大写,其他字母变小写. ''' capitalize(...) S.capitalize() -> string Return a copy of the string S with only its first character capitalized. ''' #案例 str='xiaoden

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法setdefault() #D.get(k,d) #说明:k在D中,则返回 D[K],如果k不在D中,则返回d值 #D.get(k,d), also set D[k]=d if k not in D ''' >>> help(dict.setdefault) Help on built-in function setdefault: setdefault(...) D.set

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法islower() #http://www.runoob.com/python/att-string-islower.html #islower() #说明:检测字符串是否都由小写字母组成 str = "THIS is string example....wow!!!" print str.islower()#False str = "this is string

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法xrange() #xrange() #说明:返回一个生成器 #xrange做循环的性能比range好,尤其是返回很大的时候.除非要返回一个列表,则用range. ''' class xrange(object) | xrange(stop) -> xrange object | xrange(start, stop[, step]) -> xrange object | | Li

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法startswith() #http://www.runoob.com/python/att-string-startswith.html #startswith() #说明:返回布尔值,用于检查字符串是否是以指定子字符串开头,如果是则返回 True,否则返回 False. ''' startswith(...) S.startswith(prefix[, start[, end]]

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法globals() #globals() #说明:在当前作用域下,查看全局变量 ''' globals(...) globals() -> dictionary Return the dictionary containing the current scope's global variables. ''' #案例 b='xiaodeng' print globals#<buil

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法__setattr__ #http://www.cnblogs.com/hongfei/p/3858256.html #用__setattr__函数重构方法 class Fruit(): def __init__(self,color,price): self.__color = color self.__price = price def __setattr__(self,name

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法get() #http://www.runoob.com/python/att-dictionary-get.html #dict.get(key, default=None) #说明:返回指定键的值,如果值不在字典中返回默认值. #key:要查找的键 #default:如果指定键的值不存在时,返回该默认值值 ''' >>> help(d.get) Help on built

# -*- coding: utf-8 -*- #python 27 #xiaodeng #python之函数用法fromkeys() #fromkeys() #说明:用于创建一个新字典,以序列seq中元素做字典的键,value为字典所有键对应的初始值 ''' >>> help(dict.fromkeys) Help on built-in function fromkeys: fromkeys(...) dict.fromkeys(S[,v]) -> New dict with