import pandas a=pandas.read_excel() def abc(x): return ','.join(x.values) b=a.groupby(['列名'1])['列名2'].apply(abc) c=b.reset_index() print(c) ...
import pandas a=pandas.read_excel() def abc(x): return ','.join(x.values) b=a.groupby(['列名'1])['列名2'].apply(abc) c=b.reset_index() print(c)