在python2.6中构造一个dict,含100个条目,key为'1','2',...,'100',value任意
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![在python2.6中构造一个dict,含100个条目,key为'1','2',...,'100',value任意](/uploads/image/z/12294895-31-5.jpg?t=%E5%9C%A8python2.6%E4%B8%AD%E6%9E%84%E9%80%A0%E4%B8%80%E4%B8%AAdict%2C%E5%90%AB100%E4%B8%AA%E6%9D%A1%E7%9B%AE%2Ckey%E4%B8%BA%271%27%2C%272%27%2C...%2C%27100%27%2Cvalue%E4%BB%BB%E6%84%8F)
在python2.6中构造一个dict,含100个条目,key为'1','2',...,'100',value任意
在python2.6中构造一个dict,含100个条目,key为'1','2',...,'100',value任意
在python2.6中构造一个dict,含100个条目,key为'1','2',...,'100',value任意
>>> dict_info={}
>>> for item in range(1,101):
...dict_info[item]=1
...
>>> len(dict_info)
100
>>> dict_info.keys()
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,
23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,
43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,
63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,
83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100]
>>>
{str(i):None for i in range(1,101)}
d = {}
for i range(100):
d[str(i)] = i
a = {}
[a.setdefault(str(i), '') for i in xrange(1, 101)]