将字典列表转换为值字典

def convert_dict_list_to_value_dict(dict_list):
    value_dict = {}
    for dictionary in dict_list:
        for key, value in dictionary.items():
            if value not in value_dict:
                value_dict[value] = []
            value_dict[value].append(dictionary)
    return value_dict

person_list = [
    {"name": "Alice", "department": "HR"},
    {"name": "Bob", "department": "IT"},
    {"name": "Charlie", "department": "HR"},
    {"name": "David", "department": "Finance"},
    {"name": "Eve", "department": "IT"}
]

department_dict = convert_dict_list_to_value_dict(person_list)

print(department_dict)

{
    "HR": [
        {"name": "Alice", "department": "HR"},
        {"name": "Charlie", "department": "HR"}
    ],
    "IT": [
        {"name": "Bob", "department": "IT"},
        {"name": "Eve", "department": "IT"}
    ],
    "Finance": [
        {"name": "David", "department": "Finance"}
    ]
}