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這整段代碼啥意思?求大神解釋

def?func(param):
????if?isinstance(param,?list):
????????result?=?0
????????for?item?in?param:
????????????if?isinstance(item,?int)?or?isinstance(item,?float):
????????????????result?+=?item
????????return?result
????elif?isinstance(param,?tuple):
????????result?=?1
????????for?item?in?param:
????????????if?isinstance(item,?int)?or?isinstance(item,?float):
????????????????result?*=?item
????????return?result
????return?None

weixin_慕神3285739

2021-03-18

源自：Python3 入門教程（新版） 9-5

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初見若安
2021-04-08

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初見若安
2021-04-08

#?coding=utf-8def?func(param):????#先判斷是不是列表????if?isinstance(param,list):????????result?=?0????????#如果是列表再把列表的每個值循環出來????????for?item?in?param:????????????#再判斷下循環出來的值是不是為整數和浮點數????????????if?isinstance(item,int)?or?isinstance(item,float):????????????????result?=?result?+?item????????return?result????elif?isinstance(param,tuple):????????????result?=?1????????????for?item?in?param:????????????????if?isinstance(item,int)?or?isinstance(item,float):????????????????????result?=?result?*?item????????????return?result????return?None?a?=?[1,2.5,3.5,6,8,4,1]b?=?(1,2.3,5)print(func(b))