pandas

df = dataset.to_pandas()
df.head()
print(df.columns.tolist())
print(df.head(2))
print(df.shape)
print(df.iloc[0]['conversation'])  # 显示第一行
df_with_len_one_turn = df.copy()
df_with_len_one_turn = df_with_len_one_turn[df_with_len_one_turn['turn'] == 1]