#!/usr/bin/python
import pickle
shoplist=['apple','mango','carrot']
f = open('c:\poem.txt','w')
pickle.dump(shoplist,f)
f.close()
del shoplist
f = open('c:\poem.txt','r')
storedlist = pickle.load(f)
import pickle
shoplist=['apple','mango','carrot']
f = open('c:\poem.txt','w')
pickle.dump(shoplist,f)
f.close()
del shoplist
f = open('c:\poem.txt','r')
storedlist = pickle.load(f)
print(storedlist)
执行上述程序时候报错：TypeError: must be str, not bytes
解决方法：
在使用open打开文件的时候，加个b
f = open('c:\poem.txt','wb‘)
f = open('c:\poem.txt','rb')
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