power-girl0-0

def a_rectangleArea(): print(5*7) def b_rectagleArea(x, y): print(x * y) def c_rectagleArea(): return (5*7) def d_rectagleArea(x, y): return ( x*y ) a_rectangleArea() b_rectagleArea(5,7) print(c_rectagleArea()) print(d_rectagleArea(5,7)) * a_rectagleArea와 b_rectagleArea는 return값이 없으므로 print함수에 넣으면 null을 출력한다.

1. 내장함수 https://docs.python.org/3/library/functions.html Built-in Functions — Python 3.8.6 documentation Built-in Functions The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order. abs(x) Return the absolute value of a number. The argument may be an integer or a floating po docs.python.org dir(__builtins__) 명령..