pip install cPickle
时间: 2023-08-22 21:05:03 浏览: 183
当你使用pip install cPickle命令安装cPickle时报错缺失cPickle包,这是因为cPickle包在Python 3.x版本中被重命名为_pickle。因此,在Python 3.x环境中,你应该使用以下形式导入包:import _pickle as cPickle。这样就可以成功导入cPickle包并使用其中的函数。
关于cPickle的使用,主要涉及到两个函数:cPickle.dump()和cPickle.load()。cPickle.dump()函数用于将对象进行序列化,而cPickle.load()函数则用于将序列化后的对象进行反序列化。下面是一个示例代码:
```
import _pickle as cPickle
ans = [i for i in range(100)]
print(ans)
cPickle.dump(ans, open("./ans.pkl", "wb"))
target = cPickle.load(open("./ans.pkl", "rb"))
print(type(target))
print(target)
```
以上代码中,首先创建了一个包含了100个数字的列表ans,然后使用cPickle.dump()函数将该列表序列化并保存到名为ans.pkl的文件中。接着使用cPickle.load()函数从文件中读取并反序列化对象,将结果保存在target变量中,并打印出类型和内容。
希望以上解答对你有帮助。如果还有其他问题,请随时提问。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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