function python怎么用

def function1():

    print("this is function1")

    print("function1 is here")

print("out of the function1")

this is function1

function1 is here

def function2(x):

    return 2*x

hoo = function2(8)

print(hoo)

def function4(x, y):

    return x - y

woo = function4(8, 5)

print(woo)

3

def function5(x):

    print(x)

    print("this is function5")

    return 2*x

tooooo = function5(8)

print(tooooo)