df2 = df1.copy()
with pd.ExcelWriter('output.xlsx') as writer:
df1.to_excel(writer, sheet_name='Sheet_name_1')
df2.to_excel(writer, sheet_name='Sheet_name_2')
with pd.ExcelWriter('directory'+'Name of excel file') as writer:
Df.to_excel(writer, sheet_name='File_name')