docs.python.org/3/library/math.html#module-math math — Mathematical functions — Python 3.9.1 documentation math — Mathematical functions This module provides access to the mathematical functions defined by the C standard. These functions cannot be used with complex numbers; use the functions of the same name from the cmath module if you require support for co docs.python.org 1. 상수 2. 실수 처리 3. it..