from sys import argv script, filename = argv print ( f 'we are going to erase ok { filename } ' ) input ( "?" ) print ( "opening the file ...." ) target = open (filename, 'w' ) print ( "Truncating the file. goodbye!" ) target.truncate() print ( 'now i am going to ask you you for three lines' ) line1 = input ( "line 1: " ) line2 = input ( "line 2: " ) line3 = input ( "line 3: " ) print ( "i am going to write these to the file ." ) target.write(line1) target.write( " \n " ) target.write(line2) target.write( " \n " ) target.write(line3) target.write( " \n " ) print ( " and finally , we close it." ) target.close()