sys — Expert Examples
Interpreter variables: argv, path, stdin, stdout, exit
sys deep dive
Implementation details and performance considerations.
python
# sys internals import sys import sys mod = sys print(f"Module: {mod.__name__}") print(f"File: {getattr(mod, '__file__', 'built-in')}") print(f"Package: {getattr(mod, '__package__', 'N/A')}") print(f"Size in modules: {sys.getsizeof(mod)} bytes")
Understanding the internals of sys helps write more efficient code.
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