函数名，闭包，装饰器

#输出的__closure__有cell元素 ：是闭包函数
def func():
    name = ‘eva‘
    def inner():
        print(name)
    print(inner.__closure__)
    return inner

f = func()
f()

#输出的__closure__为None ：不是闭包函数
name = ‘egon‘
def func2():
    def inner():
        print(name)
    print(inner.__closure__)
    return inner

f2 = func2()
f2()

def f1():
     print(‘f1‘)
def f2():
     print(‘f2‘)
 def f3():
     print(‘f3‘)
 l = [f1,f2,f3]
 d = {‘f1‘:f1,‘f2‘:f2,‘f3‘:f3}
# #调用
l[0]()
d[‘f2‘]()

def func2():
    print(222)
def func3(x):
    # print(x)  # x=func2()
    return x
f = func2
f()        #func2()
ret = func3(func2)  # ret=func2
ret()              #func2()
func3(func2)()

def f1():
    print(‘f1‘)
def func1(argv):
    argv()       #f1()
    return argv
f = func1(f1)
f()

def func():
    name = ‘eva‘
    def inner():
        print(name)
    return inner

f = func()
f()