Python - function1

gistfile1.txt

def fn1():   #매개변수x,리턴x
    print("fn1()")
def fn2(a,b,c):   #매개변수o,리턴x
    print("fn2():", a,b,c, a+b+c)
def fn3():   #매개변수x,리턴o
    print("fn3():")
    return 100, 200, 300
def fn4(a,b):
    print("fn4():", a, b)
    return a*b

a=fn1()
b=fn2(10,20,30)
c=fn3()

print(a)
print(b)
print(c)
print(fn4(5,6))