# 裝飾器
# func指函數
def decorator(func):
    def wrapper(*args, **kwargs):
        # 執(zhí)行函數內部邏輯 打印時間
        print(time.time(), args, kwargs)
        # 執(zhí)行調用函數中邏輯 打印不同參數
        func(*args, **kwargs)
    return wrapper
# 一個參數
@decorator
def function(param):
    print('function : this is decorator ' + param)
# 兩個參數
@decorator
def function1(param1, param2):
    print('function1 : this is decorator ' + param1)
    print('function1 : this is decorator ' + param2)
# 三個參數（可變參數）
@decorator
def function2(param1, param2, **kwargs):
    print('function2 : this is decorator ' + param1)
    print('function2 : this is decorator ' + param2)
    print(kwargs)
function('param')
function1('param1' , 'param2')
function2('param1' , 'param2', x=1,y=2,z=3)

funcs = []
def register(func):
  funcs.append(func)
  return func    
@register
def a():
  return 3
  
@register
def b():
  return 5  
# 訪問結果
result = [func() for func in funcs]

class Registry(object):
  def __init__(self):
    self._funcs = []
  
  def register(self, func):
    self._funcs.append(func)
    
  def run_all(self):
    return [func() for func in self._funcs] 
r1 = Registry()
r2 = Registry()

@r1.register
def a():
  return 3
  
@r2.register
def b():
  return 5
  
@r1.register
@r2.register