What is the maximum size of list in Python?

Maximum length of a list is platform dependent and depends upon address space and/or RAM. The maxsize constant defined in sys module returns 263-1 on 64 bit system.

>>> import sys
>>> sys.maxsize
   9223372036854775807

The largest positive integer supported by the platform's Py_ssize_t type, is the maximum size lists, strings, dicts, and many other containers can have.

Pythonic

Updated on: 30-Jul-2019

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