oct() — Expert Examples

Converts an integer to an octal string prefixed with '0o'

EasyIntermediateAdvancedExpert

oct() performance and internals

Performance characteristics and CPython implementation details.

python
# oct() internals
import dis

def using_oct():
    return oct(42)

# Bytecode analysis
dis.dis(using_oct)

# Check if it's truly built-in
import builtins
print(f"\noct is builtin: {hasattr(builtins, 'oct')}")
print(f"Type: {type(builtins.oct)}")

Understanding the internal implementation helps optimize hot paths in performance-critical code.

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