complex() — Expert Examples
Creates a complex number (e.g. 3+4j)
complex() performance and internals
Performance characteristics and CPython implementation details.
python
# complex() internals import dis def using_complex(): pass # Bytecode analysis dis.dis(using_complex) # Check if it's truly built-in import builtins print(f"\ncomplex is builtin: {hasattr(builtins, 'complex')}") print(f"Type: {type(builtins.complex)}")
Understanding the internal implementation helps optimize hot paths in performance-critical code.
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