import pandas as pd # 按列分组 data = {'A': ["aa", "bb", "cc", "bb"], 'B': [5, 6, 10, 7], 'C': [0, 10, 3, 12]} df = pd.DataFrame(data) print(df) print(df.groupby('A', as_index=False).sum('bb'))
import pandas as pd # 按列分组 data = {'A': ["aa", "bb", "cc", "bb"], 'B': [5, 6, 10, 7], 'C': [0, 10, 3, 12]} df = pd.DataFrame(data) print(df) print(df.groupby('A', as_index=False).sum('bb'))