unix commands introduction in this we will implement some of the unix commands using 'python 'argparsethe 'argparsemodule is command line interface we will use 'argparsemodule to read the values from the terminal for more detailsplease see the online documentation of the module listing 'argpasemodule argparse_ex py import argparse def mulnum( ) for item in ap *item return parser argparse argumentparser(description="first argparse code" read list of integers parser add_argumenttype=inttype int nargs='+'read multiple values in list dest='integers'name of the attribute returned by argparse help='read list of integer ' parser add_argument'- ''--product'name - or --product dest='multiply'by default 'dest=productaction='store_const'store values const=mulnumcall function 'mulnumhelp='product of integers parser add_argument'--sum'dest='accumulate'(continues on next page