数据转单层字典

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def data2single_dict(source):     stack = [(source, "")]     result = {}     while stack:         obj, parent_name = stack.pop()         if isinstance(obj, dict):             for k, v in obj.items():                 column_name = f"{parent_name}.{k}" if parent_name else k                 stack.append((v, column_name))         elif isinstance(obj, list) or isinstance(obj, tuple):             for i, v in enumerate(obj):                 column_name = f"{parent_name}.{i}" if parent_name else f"{i}"                 stack.append((v, column_name))         else:             result[parent_name] = obj     return result     data1 = {     "a": {         "b": {             "c": 1         },         "d": 2     },     "e": 3 }   data2 = {     "a": {         "b": {             "c": [1, 2, 3]         },         "d": [4, 5, 6]     },     "e": [7, 8, 9],     "f": 10 }   data3 = [{     "a": {"b": "c"},     "d": [1, 2, 3],     "f": [{"g": 4}, "5", 6] }]   data4 = [{     "a": {"b": "c"},     "d": [[-1, -2], 2, 3],     "f": [{"g": 4}, "5", 6] }]   print(data2single_dict(data1)) print(data2single_dict(data2)) print(data2single_dict(data3)) print(data2single_dict(data4))