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import pandas as pd data = [{'a': 1, 'b': 2},{'a': 5, 'b': 10, 'c': 20}] #不指定索引 df = pd.DataFrame(data) print(df) #指定行索引 row_index_df = pd.DataFrame(data, index=['first', 'second']) print(row_index_df) #指定列行索引和列索引 column_index_df1 = pd.DataFrame(data, index=['first', 'second'], columns=['a', 'b']) print(column_index_df1) #指定列行索引和列索引 column_index_df2 = pd.DataFrame(data, index=['first', 'second'], columns=['a', 'b','c1']) print(column_index_df2)
运行结果 :
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