#/usr/bin/python

#coding=utf-8

#@Time :2017/10/13 15:02

#@Auther :liuzhenchuan

#@File :元组.py

#tuple() 字符串转换成元组

str1 = 'abcd efg hiop'

print type(tuple(str1))

print tuple(str1)

 >>> 

<type 'tuple'>

('a', 'b', 'c', 'd', ' ', ' ', 'e', 'f', 'g', ' ', ' ', 'h', 'i', 'o', 'p')

 

#注意元组的写法,单个tuple元素的时候，元素后面要加逗号

n = ('abc')

m = ('abc',)

print type(n)

print type(m)

print '###'*20

 >>>  <type 'str'>

        <type 'tuple'>

 

#tuple的方法 count() index()

print dir(tuple)

 

>>> ['__add__', '__class__', '__contains__', '__delattr__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getslice__', '__gt__', '__hash__', '__init__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'count', 'index']

 

 

 

#count() 方法：统计某个元素出现的次数

t1 = ('abcd','aaa','bcde','fff','eee','123','abcd')

t2 = ('a','b','c','a','d','b','a')

print t1.count('abcd')

print t2.count('a')

print '%%%%%'*20

 >>> 2

        3

 

#index()方法,查找元组中某个元素的切片位置

print t1.index('aaa')

print '&&&&'*20

 >>> 1