bin() — Expert Examples
Converts an integer to a binary string prefixed with '0b'
bin() performance and internals
Performance characteristics and CPython implementation details.
python
# bin() internals import dis def using_bin(): return bin(42) # Bytecode analysis dis.dis(using_bin) # Check if it's truly built-in import builtins print(f"\nbin is builtin: {hasattr(builtins, 'bin')}") print(f"Type: {type(builtins.bin)}")
Understanding the internal implementation helps optimize hot paths in performance-critical code.
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