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  • Python列表嵌套字典的时候,如果要删除列表中其中一个字典要如何操作

    如果要删除列表中其中一个字典要操作如下

    第一种方法

    1.1

    name_list=[{"name":"张三","age":18},{"name":"李四","age":22},{"name":"王五","age":26}]
    name="王五"
    name= input("请输入你想删除的名字:	")
    names=[item for item in name_list if not item["name"] ==name]
    print(names)
    

    1.2

    def item_name():
        list = [{
            "propertyId": 3424,
            "name": "尺码",
            "value": "36",
            "propertyValueId": 20206750,
            "level": 2,
            "customValue": "",
            "showValue": 1,
            "sort": 0,
            "definitionId": 6
        }, {
            "propertyId": 4664,
            "name": "版本",
            "value": "D宽",
            "propertyValueId": 20206749,
            "level": 1,
            "customValue": "",
            "showValue": 1,
            "sort": 1,
            "definitionId": 12
        }, {
            "propertyId": 3424,
            "name": "尺码",
            "value": "37",
            "propertyValueId": 20206751,
            "level": 2,
            "customValue": "",
            "showValue": 1,
            "sort": 1,
            "definitionId": 6
        }]
        name = "版本" or "D宽"
        item_list = [item for item in list if not item["name"] == name or item["value"] == name]
        print("item_list", item_list)
        items = []
        for sale in item_list:
            sizename = sale.get("name")
            size = sale.get("value")
            ValueId = sale.get("propertyValueId")
            propertyId = sale.get("propertyId")
    
            sku_info = {
                "sizename": sizename,
                "size": size,
                "ValueId": ValueId,
                "propertyId": propertyId,
            }
            items.append(sku_info)
        
        print(items)
        
    if __name__ == '__main__':
        item_name()
    

    第二种方法

    def item_name():
        list = [{
            "propertyId": 3424,
            "name": "尺码",
            "value": "36",
            "propertyValueId": 20206750,
            "level": 2,
            "customValue": "",
            "showValue": 1,
            "sort": 0,
            "definitionId": 6
        }, {
            "propertyId": 4664,
            "name": "版本",
            "value": "D宽",
            "propertyValueId": 20206749,
            "level": 1,
            "customValue": "",
            "showValue": 1,
            "sort": 1,
            "definitionId": 12
        }, {
            "propertyId": 3424,
            "name": "尺码",
            "value": "37",
            "propertyValueId": 20206751,
            "level": 2,
            "customValue": "",
            "showValue": 1,
            "sort": 1,
            "definitionId": 6
        }]
    
        # name = "版本" or "D宽"
        # item_list = [item for item in list if not item["name"] == name or item["value"] == name]
        # print("item_list", item_list)
        items = []
        for sale in list:
            size = sale.get("value")
            sizename = sale.get("name")
            if "版本" == sizename:
                continue
            # sizename = sale.get("name")
            # size = sale.get("value")
            ValueId = sale.get("propertyValueId")
            propertyId = sale.get("propertyId")
    
            sku_info = {
                "sizename": sizename,
                "size": size,
                "ValueId": ValueId,
                "propertyId": propertyId,
            }
            items.append(sku_info)
    
        print(items)
    
    
    if __name__ == '__main__':
        item_name()
    
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  • 原文地址:https://www.cnblogs.com/gqv2009/p/13716842.html
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