Python - funtion3

gistfile1.txt

def fn1(aa,bb): #매개변수
    a=77
    bb= 3333
    cc= 100 #지역변수
    print("fn1:", aa,bb,cc,a)

def fn2():
    global a
    a = 9999
    print("fn2():",a)

def fn3():
    print("fn3()")
    return 8888

def fn4(aa):
    aa[1]=45678
    print("fn4():",aa)

a=10 #일반변수
d=30
arr=[2,4,6,8]
fn1(4444,d)
fn2()
fn4(arr)
d=fn3()
print("main d:",d)
print("main a:",a)
print("main arr:", arr)