'
>>> dic['k3'] = 'v3'
>>> print(dic)
OrderedDict([('k1', 'v1'), ('k2', 'v2'), ('k3', 'v3')])
基本操作方法...'),('k3','v3')])
4.pop()方法，删除指定的键值
>>> dic.pop('k1')
'v1'
>>> print(dic)
OrderedDict([('k2','v2')...OrderedDict([('k2', 'v2'), ('k3', 'v3'),('k1', 'v1')])
7.update()更新字典
>>> dic.update({'k1':'v1111','...k10':'v10'})
>>> print(dic)
OrderedDict([('k1', 'v1111'), ('k2', 'v2'), ('k3', 'v3'),('k10','v10')]...>> print(d)
deque(['1','2'])
>>> d.reverse()
>>> print(d)
deque(['2','1'])
13.rotate()将右边指定的元素个数移到队列左边
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