Python的元组学习（五）

#!/usr/bin/env python
#coding:utf-8

tuple1=('123','456')
print u'查看元组对象类的功能:',dir(tuple1)
print u'查看元组帮助的详细信息:',help(type(tuple1))

C:\Python27\python.exe D:/git/Python/FullStack/Study/index.py
查看元组对象类的功能: ['__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']
查看元组帮助的详细信息:Help on class tuple in module __builtin__:class tuple(object) |  tuple() -> empty tuple |  tuple(iterable) -> tuple initialized from iterable's items
 |  
 |  If the argument is a tuple, the return value is the same object. |  
 |  Methods defined here: |  
 |  __add__(...) |      x.__add__(y) <==> x+y |  
 |  __contains__(...) |      x.__contains__(y) <==> y in x |  
 |  __eq__(...) |      x.__eq__(y) <==> x==y |  
 |  __ge__(...) |      x.__ge__(y) <==> x>=y |  
 |  __getattribute__(...) |      x.__getattribute__('name') <==> x.name |  
 |  __getitem__(...) |      x.__getitem__(y) <==> x[y] |  
 |  __getnewargs__(...) |  
 |  __getslice__(...) |      x.__getslice__(i, j) <==> x[i:j] |      
 |      Use of negative indices is not supported. |  
 |  __gt__(...) |      x.__gt__(y) <==> x>y |  
 |  __hash__(...) |      x.__hash__() <==> hash(x) |  
 |  __iter__(...) |      x.__iter__() <==> iter(x) |  
 |  __le__(...) |      x.__le__(y) <==> x<=y |  
 |  __len__(...) |      x.__len__() <==> len(x) |  
 |  __lt__(...) |      x.__lt__(y) <==> x<y |  
 |  __mul__(...) |      x.__mul__(n) <==> x*n |  
 |  __ne__(...) |      x.__ne__(y) <==> x!=y |  
 |  __repr__(...) |      x.__repr__() <==> repr(x) |  
 |  __rmul__(...) |      x.__rmul__(n) <==> n*x |  
 |  count(...) |      T.count(value) -> integer -- return number of occurrences of value |  
 |  index(...) |      T.index(value, [start, [stop]]) -> integer -- return first index of value. |      Raises ValueError if the value is not present. |  
 |  ----------------------------------------------------------------------
 |  Data and other attributes defined here: |  
 |  __new__ = <built-in method __new__ of type object>
 |      T.__new__(S, ...) -> a new object with type S, a subtype of T

None

Process finished with exit code 0

#!/usr/bin/env python
#coding:utf-8 
tuple1=(123,'wuya',[11,22,33,44,55],{'name':'wuya','age':20})
#使用索引取出元组具体的值
 print u'取出元组中最后一个元素的值:',tuple1[3] 
 #取出元组的最后一位元素的写法是: 
 print tuple1[len(tuple1)-1] 
 #切片在元组中的使用，见如下的代码
 print tuple1[0:3]
#使用循环的方式取出元组中所有的值
for item in tuple1: 
    print item
#获取元组中指定元素的索引
print u"{'name':'wuya','age':20}在元组中的索引为:",tuple1.index("wuya")
#获取元组中的某个元素在元组中的个数
print tuple1.count('wuya')