从包含关键字和字典项嵌套列表的字典创建Pandas DataFrame

import pandas as pd

data = {
    '关键字1': [{'关键字1-1': '值1-1', '关键字1-2': '值1-2'}, {'关键字1-3': '值1-3', '关键字1-4': '值1-4'}],
    '关键字2': [{'关键字2-1': '值2-1', '关键字2-2': '值2-2'}, {'关键字2-3': '值2-3', '关键字2-4': '值2-4'}]
}

df = pd.DataFrame.from_dict({(i,j): data[i][j] 
                             for i in data.keys() 
                             for j in range(len(data[i]))}, 
                            orient='index')

import pandas as pd

data = {
    '关键字1': [{'关键字1-1': '值1-1', '关键字1-2': '值1-2'}, {'关键字1-3': '值1-3', '关键字1-4': '值1-4'}],
    '关键字2': [{'关键字2-1': '值2-1', '关键字2-2': '值2-2'}, {'关键字2-3': '值2-3', '关键字2-4': '值2-4'}]
}

df = pd.DataFrame.from_dict({(i,j): data[i][j] 
                             for i in data.keys() 
                             for j in range(len(data[i]))}, 
                            orient='index')

print(df)

                 0                1
关键字1 关键字1-1: 值1-1  关键字1-3: 值1-3
      关键字1-2: 值1-2  关键字1-4: 值1-4
关键字2 关键字2-1: 值2-1  关键字2-3: 值2-3
      关键字2-2: 值2-2  关键字2-4: 值2-4