How to merge excel using python

import pandas as pd

excel1 = 'workbook1.xlsx'

excel2 = 'workbook2.xlsx'

df1 = pd.read_excel(excel1)

df2 = pd.read_excel(excel2)

values1 = df1['Locations','Employees','Revenue','Profit']

values2 = df2['Locations','Employees','Revenue','Profit']

dataframes = [values1, values2]

join = pd.concat(dataframes)

join.to_excel("output.xlsx")