python 序列结构-列表,元组，字典，字符串，集合

列表

"""
name_list.__add__(          name_list.__getslice__(     name_list.__new__(          name_list.append(
name_list.__class__(        name_list.__gt__(           name_list.__reduce__(       name_list.count(
name_list.__contains__(     name_list.__hash__          name_list.__reduce_ex__(    name_list.extend(
name_list.__delattr__(      name_list.__iadd__(         name_list.__repr__(         name_list.index(
name_list.__delitem__(      name_list.__imul__(         name_list.__reversed__(     name_list.insert(
name_list.__delslice__(     name_list.__init__(         name_list.__rmul__(         name_list.pop(
name_list.__doc__           name_list.__iter__(         name_list.__setattr__(      name_list.remove(
name_list.__eq__(           name_list.__le__(           name_list.__setitem__(      name_list.reverse(
name_list.__format__(       name_list.__len__(          name_list.__setslice__(     name_list.sort(
name_list.__ge__(           name_list.__lt__(           name_list.__sizeof__(
name_list.__getattribute__( name_list.__mul__(          name_list.__str__(
name_list.__getitem__(      name_list.__ne__(           name_list.__subclasshook__(
"""
name_list = ["张三","刘大"]
print( name_list.index("刘大"))

name_list.append("李四")
print name_list

列表的append的方法，返回值是None 意味着没有新列表产生，就地修改

In [1]: alist = [1,4,6,90,11,2,3,3,89]
In [2]: a = alist.append(10)
In [3]: print(a)
None
In [4]: type(a)
Out[4]: NoneType
In [5]: alist
Out[5]: [1, 4, 6, 90, 11, 2, 3, 3, 89, 10]

 

name_list.insert(1,"王五")
print name_list

a_list = ["李二","赵六"]
name_list.extend(a_list)
print name_list

name_list.remove("李二")  #会把列表中第一次出现的这个值
print name_list

name_list.pop()
print name_list

name_list.pop(2)
print name_list

del name_list[1]   #变量从内存中删除
print name_list

len_str = len(name_list)

print("列表中包含%d个元素" %len_str)

count = name_list.count("李四")
print("列表中李四出现了%d次" %count)

name_list.sort()  #按正序排列
print name_list
name_list.sort(reverse=True)  #按正序排列
print name_list
print("-----")
name_list.reverse()   #将列表反转
print name_list

元组

>>> empty_tuple = ()
>>> type(empty_tuple)
<type 'tuple'>
>>>

 

>>> single_tuple = (1)
>>> type(single_tuple)
<type 'int'>

 

>>> single_tuple1 = (1,)
>>> type(single_tuple1)
<type 'tuple'>