Python 如何腌制一个列表？
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How to pickle a list?
提问by Lewis
I'm trying to save a list, only containing strings, so it can be accessed later. Someone told me to use pickling. I was hoping for an example.
我正在尝试保存一个仅包含字符串的列表，以便以后可以访问它。有人告诉我使用酸洗。我希望有一个例子。
采纳答案by Mike McKerns
Pickling will serialize your list (convert it, and it's entries to a unique byte string), so you can save it to disk. You can also use pickle to retrieve your original list, loading from the saved file.
Pickling 将序列化您的列表（将其转换，并将其条目转换为唯一的字节字符串），因此您可以将其保存到磁盘。您还可以使用 pickle 来检索原始列表，从保存的文件中加载。
So, first build a list, then use pickle.dumpto send it to a file...
所以，首先建立一个列表，然后使用pickle.dump它发送到一个文件......
Python 3.4.1 (default, May 21 2014, 12:39:51)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> mylist = ['I wish to complain about this parrot what I purchased not half an hour ago from this very boutique.', "Oh yes, the, uh, the Norwegian Blue...What's,uh...What's wrong with it?", "I'll tell you what's wrong with it, my lad. 'E's dead, that's what's wrong with it!", "No, no, 'e's uh,...he's resting."]
>>>
>>> import pickle
>>>
>>> with open('parrot.pkl', 'wb') as f:
... pickle.dump(mylist, f)
...
>>>
Then quit and come back later… and open with pickle.load...
然后退出并稍后回来......并打开pickle.load......
Python 3.4.1 (default, May 21 2014, 12:39:51)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pickle
>>> with open('parrot.pkl', 'rb') as f:
... mynewlist = pickle.load(f)
...
>>> mynewlist
['I wish to complain about this parrot what I purchased not half an hour ago from this very boutique.', "Oh yes, the, uh, the Norwegian Blue...What's,uh...What's wrong with it?", "I'll tell you what's wrong with it, my lad. 'E's dead, that's what's wrong with it!", "No, no, 'e's uh,...he's resting."]
>>>
