import arcpy
import datetime

arcpy.env.workspace = 'C:/ESRI/1'
arcpy.env.overwriteOutput = True

outputf = 'C:/ESRI/bkp/'

inputf = arcpy.ListFeatureClasses()

for inf in inputf:
    arcpy.Copy_management(inf, outputf + inf[0:-4] + '_' + str(datetime.date.today()) + '.shp')

print('done')