df_1 = pd.read_excel('分组.xlsx', sheet_name=0, dtype=str, keep_default_na='')
a = df_1.groupby('班级')
data = a.get_group('1').values.tolist()print(data)
求和(完整代码)
df_1 = pd.read_excel('分组.xlsx', sheet_name=0, dtype=str, keep_default_na='')
a = df_1.groupby('班级')for i inrange(1,4):
data = a.get_group(str(i)).values.tolist()
sum_ =[float(s[2])for s in data ]print(sum_)print(i,"班级,总分是",sum(sum_))