# -*- coding: utf-8 -*-
"""
Created on Thu Sep 17 11:19:25 2020

@author: Sim
"""
# fcn_types.py

def aa():     # 매개변수 X, 반환 X
    print(5*7) 
def bb(x, y): # 매개변수 O, 반환 X
    print(x*y) 
def cc():     # 매개변수 X, 반환 O
    return(5*7)  
def dd(x, y): # 매개변수 O, 반환 O
    return(x*y) 
    
aa()
bb(5,7)
print(cc())
print(dd(5,7))