eval() — Expert Examples
Evaluates a string as a Python expression and returns the result
eval() performance and internals
Performance characteristics and CPython implementation details.
python
# eval() internals import dis def using_eval(): pass # Bytecode analysis dis.dis(using_eval) # Check if it's truly built-in import builtins print(f"\neval is builtin: {hasattr(builtins, 'eval')}") print(f"Type: {type(builtins.eval)}")
Understanding the internal implementation helps optimize hot paths in performance-critical code.
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