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Python基础01-20160510

时间:2016-05-13 05:12:46      阅读:154      评论:0      收藏:0      [点我收藏+]

标签:users   历史   

1、数据类型

1.1 整型

1.2 浮点型

1.3 布尔类型

功能:判断真假
>>> 0 == False
True
>>> 1 == False
False

1.4 字符串


2、列表

>>> name_list
[‘alex‘, ‘65brother‘, ‘tenglan‘, ‘lanyulei‘, ‘lanyulei‘, ‘lanyulei‘, ‘lanyulei‘]

>>> for i in range(name_list.count(‘lanyulei‘)):
...     name_list.remove(‘lanyulei‘)
...
>>> name_list
[‘alex‘, ‘65brother‘, ‘tenglan‘]

>>> help(name_list)

>>> dir(name_list)
[‘__add__‘, ‘__class__‘, ‘__contains__‘, ‘__delattr__‘, ‘__delitem__‘, ‘__delsli
ce__‘, ‘__doc__‘, ‘__eq__‘, ‘__format__‘, ‘__ge__‘, ‘__getattribute__‘, ‘__getit
em__‘, ‘__getslice__‘, ‘__gt__‘, ‘__hash__‘, ‘__iadd__‘, ‘__imul__‘, ‘__init__‘,
 ‘__iter__‘, ‘__le__‘, ‘__len__‘, ‘__lt__‘, ‘__mul__‘, ‘__ne__‘, ‘__new__‘, ‘__r
educe__‘, ‘__reduce_ex__‘, ‘__repr__‘, ‘__reversed__‘, ‘__rmul__‘, ‘__setattr__‘
, ‘__setitem__‘, ‘__setslice__‘, ‘__sizeof__‘, ‘__str__‘, ‘__subclasshook__‘, ‘a
ppend‘, ‘count‘, ‘extend‘, ‘index‘, ‘insert‘, ‘pop‘, ‘remove‘, ‘reverse‘, ‘sort‘
]

>>> name_list.append("xiaolan")
>>> name_list
[‘alex‘, ‘65brother‘, ‘tenglan‘, ‘xiaolan‘]
>>> name_list.insert(0,"xiaolan")
>>> name_list
[‘xiaolan‘, ‘alex‘, ‘65brother‘, ‘tenglan‘, ‘xiaolan‘]
>>> name_list.count("xiaolan")
2
>>> name_list.index("65brother")
2
>>> name_list[2]
‘65brother‘
>>> name_list.remove("alex")
>>> name_list
[‘xiaolan‘, ‘65brother‘, ‘tenglan‘, ‘xiaolan‘]
>>> name_list.pop()
‘xiaolan‘
>>> name_list
[‘xiaolan‘, ‘65brother‘, ‘tenglan‘]


Python基础01-20160510

标签:users   历史   

原文地址:http://madsstudy.blog.51cto.com/6249249/1772579

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