What is the purpose of the pickle module in Python?

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Answer:

The pickle module in Python is used for serializing and deserializing Python objects to a byte stream, allowing objects to be saved to disk and restored again. The pickle module converts complex Python objects into a stream of bytes that can be easily stored to disk or transmitted over a network. The deserialization process converts the byte stream back into a Python object.

Here is an example of using the pickle module to serialize and deserialize a Python object:

import pickle

# Original Python object
data = {
    "name": "John Doe",
    "age": 30,
    "email": "johndoe@example.com"
}

# Serializing the Python object to a byte stream
with open("data.pickle", "wb") as f:
    pickle.dump(data, f)

# Deserializing the byte stream back into a Python object
with open("data.pickle", "rb") as f:
    data = pickle.load(f)

print(data)
# Output: {'name': 'John Doe', 'age': 30, 'email': 'johndoe@example.com'}

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