摘要：
import timedef bar():time.sleep(3)print('in the bar')def test1(func):start_time=time.time()func() #run barstop_time=time.time()print("the func run tim 阅读全文
摘要：
# Author:Zhu Jin Xinproduct_list =[ ("Airpos",1200), ("Beats",2500), ("Iphone7",4800), ("Iphone8",5800), ("IphoneX",9800), ("IphoneXS",10800)]shopping 阅读全文