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Pickling is the process of serializing Python objects into a byte stream, and unpickling is the reverse process of deserializing the byte stream back into Python objects. This tutorial will guide you through the process of unpickling objects from a .pkl file using Python.
Make sure you have Python installed on your system. You can download it from python.org.
First, import the pickle module, which is part of the Python standard library, to handle the pickling and unpickling of objects.
Use the open function to open the .pkl file in binary mode ('rb').
Replace 'your_file.pkl' with the actual name of your .pkl file.
Inside the with block, use pickle.load() to unpickle the objects from the file.
Replace 'your_object' with a meaningful variable name, and this variable will now contain the unpickled object.
It's good practice to close the file after reading.
Let's consider a simple example where we pickle and then unpickle a Python list.
In this example, unpickled_data will now contain the list [1, 2, 3, 4, 5].
That's it! You've successfully unpickled objects from a .pkl file using Python. This process is useful for saving and loading complex data structures or objects.
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