有很多问题;关于比较直接old dict
和new dict
的堆栈溢出
old_dict = [{'name':'john','age':10},{'name':'cena','age':26},{'name':'tom','age':24}]
new_dict = [{'name':'cena','age':26},{'name':'john','age':13},{'name':'henry','age':32},{'name':'steave','age':50}]
我想通过old_dict
&new_dict
作为函数的参数,其中比较所有列表对象中的键、值;该函数将返回以下字段
return updated_key_val,added_key_val,removed_new_key_val
print(updated_key_val)
>> [{'name':'john','age':13}] ### age value updated from 10 to 13
print(added_key_val)
>> [{'name':'henry','age':32},{'name':'steave','age':50}] ## old results doesn't had this 2 dicts so this are new dicts
print(removed_new_key_val)
>> [{'name':'tom','age':24}] ## this has been removed in newer results
因为当“name”字段相等时,每个字典都被认为是相等的,所以您可以为这些条目建立旧名称的索引,然后在对新条目进行一次迭代后跟踪更新、添加和删除的内容
它给出了虚拟数据的预期结果
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