如何使用回圈更改字典中陣列值的特定鍵值？

我有 1 個字典和 1 個陣列。我的任務是遍歷字典并創建 5 個單獨的字典，其中鍵“電子郵件”將替換為陣列值。我所有創建回圈的嘗試都只使用最后一個陣列的值，所以只有一個字典。如何正確回圈它來解決它

data = {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": True,
        "first_name": "TestUser",
        "last_name": "One"

}

emails_list = ['[email protected]',
        '[email protected]',
        '[email protected]',
        '[email protected]',
        '[email protected]'
        ]

uj5u.com熱心網友回復：

你可以用python在一行中做到這一點！見下文

result = [{**data,**{"email": val}} for val in emails_list]

這會根據您的電子郵件長度創建一個包含 N 個字典的串列。導致

[
    {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": true,
        "first_name": "TestUser",
        "last_name": "One"
    },
    {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": true,
        "first_name": "TestUser",
        "last_name": "One"
    },
    {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": true,
        "first_name": "TestUser",
        "last_name": "One"
    },
    {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": true,
        "first_name": "TestUser",
        "last_name": "One"
    },
    {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": true,
        "first_name": "TestUser",
        "last_name": "One"
    }
]

uj5u.com熱心網友回復：

我可能誤解了你想要什么，但你不能回圈遍歷陣列并單獨設定字典的電子郵件并復制它嗎？下面的例子：

emails_dict_ls = []
for email in emails_list:
     data_copy = data.copy()
     data_copy["email"] = email
     emails_dict_ls.append(data_copy)
print(emails_dict_ls)

這將列印出以下內容

[{'company': 'Company', 'phone': ' 1111111', 'email': '[email protected]', 'password1': 'defaultpassword', 'password2': 'defaultpassword', 'terms_agree': True, 'first_name': 'TestUser', 'last_name': 'One'},
{'company': 'Company', 'phone': ' 1111111', 'email': '[email protected]', 'password1': 'defaultpassword', 'password2': 'defaultpassword', 'terms_agree': True, 'first_name': 'TestUser', 'last_name': 'One'},
{'company': 'Company', 'phone': ' 1111111', 'email': '[email protected]', 'password1': 'defaultpassword', 'password2': 'defaultpassword', 'terms_agree': True, 'first_name': 'TestUser', 'last_name': 'One'},
{'company': 'Company', 'phone': ' 1111111', 'email': '[email protected]', 'password1': 'defaultpassword', 'password2': 'defaultpassword', 'terms_agree': True, 'first_name': 'TestUser', 'last_name': 'One'},
{'company': 'Company', 'phone': ' 1111111', 'email': '[email protected]', 'password1': 'defaultpassword', 'password2': 'defaultpassword', 'terms_agree': True, 'first_name': 'TestUser', 'last_name': 'One'}]

uj5u.com熱心網友回復：

你需要做一個深拷貝：

import copy

def new_dic(email,data_dic):
    new_dic = copy.deepcopy(data_dic); new_dic["email"] = email
    return(new_dic)

data = {
        "company": "Company",
        "phone": " 1111111",
        "email": "[email protected]",
        "password1": "defaultpassword",
        "password2": "defaultpassword",
        "terms_agree": True,
        "first_name": "TestUser",
        "last_name": "One"}

emails_list = ['[email protected]',
        '[email protected]',
        '[email protected]',
        '[email protected]',
        '[email protected]'
        ]

dic_list = []
for x in range(0,len(emails_list)):
    dic_list.append(new_dic(emails_list[x],data))

print(dic_list[0]['email'])
'[email protected]'
print(dic_list[-1]['email'])
'[email protected]'

標籤：Python 数组 python-3.x

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