What is pickling and unpickling in Python?

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Sapan Sharma

Professional trainer and Teacher; 14.7 y experience in software industry

pickling and unpickling mean serializing (and deserializing) python objects in order to store them in filesystem for later use. What this means in common language is if you have large object like a large dictionary or a data table that you would want to use after the current python process is cleared...
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pickling and unpickling mean serializing (and deserializing) python objects in order to store them in filesystem for later use. What this means incommon language is if you have large object like a large dictionary or a data table that you would want to use after the current python process is cleared from the RAM, the next time without again populating the object through code, you can simply convert them into lightweight objects( that python takes a very small time to process and hence make your program run faster over multiple iterations) and store them on the hard disk. read less
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