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                #### 函數變量 ``` def add(num1,num2): return num1+num2 def sub(num1,num2): return num1-num2 def getmax(num1,num2): #業務的邏輯 return num1 if num1>num2 else num2 def Test(go,num1,num2): #接口,不變的,業務核心代碼 return go(num1,num2) print(Test(add,1,2)) print(Test(sub,1,2)) print(Test(getmax,1,2)) ``` #### 裝飾器模式 ``` #測試一個函數,執行時間 #函數當作一個參數,設計模塊測試函數的時間 import time def getcosttime(go): starttime = time.time() go() endtime = time.time() print(endtime - starttime) def go(): lastnum=0 for i in range(1,100000000): lastnum+=i print(lastnum) def come(): lastnum=0.0 for i in range(1, 100000000): lastnum += i print(lastnum) getcosttime(go) getcosttime(come) ```
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