Pickling in Python

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Problem

What is pickling and unpickling?

Asked in the 1st Round Technical Interview stage. Implement a function that pickles a JSON-compatible Python object into bytes and then unpickles those bytes to reconstruct the object.

Function

def pickle_round_trip(obj):

The function accepts one JSON-compatible value, including None, booleans, numbers, strings, lists, and dictionaries, and returns the reconstructed value. The returned value must compare equal to the original input.

Constraints

The input is one JSON-compatible Python value.
Supported values include null, booleans, numbers, strings, lists, and dictionaries.
The input contains at most 1,000 nested elements.
The serialized data is produced and consumed within the function.

Function Signature

def pickle_round_trip(obj):

Your solutionPython 3

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