Learn Python From 'Head First Python' [3](2) : Pickle

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1.the use of ‘with open... as ...‘

2.the use of pickle(dump and load)

for Step1:

the ‘with open ... as...‘ is the short format of ‘try...except...finally‘

for Step2:

you can store a list with pickle.dump() and get the content again with pickle.load()

 1 >>> import pickle
 2 >>> with open(‘test.pickle‘,‘wb‘) as data:
 3     pickle.dump([‘a‘,‘2‘,‘et‘],data)
 4 
 5     
 6 >>> with open(‘test.pickle‘,‘rb‘) as readFile:
 7     the_list = pickle.load(readFile)
 8 
 9     
10 >>> the_list
11 [‘a‘, ‘2‘, ‘et‘]
12 >>> 

when use this method, you should be care with the encoding of file, like ‘wb‘,‘rb‘

Learn Python From 'Head First Python' [3](2) : Pickle

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原文地址：http://www.cnblogs.com/zhuojiniao/p/3978212.html