text: import argparse
  
  def compare_line_by_line(fname1, fname2):
      # Open file for reading in text mode (default mode)
      f1 = open(fname1)
      f2 = open(fname2)
  
      # Print confirmation
      print("-----------------------------------")
      print("Comparing files ", " > " + fname1, " < " +fname2, sep='\n')
      print("-----------------------------------")
  
      # Read the first line from the files
      f1_line = f1.readline()
      f2_line = f2.readline()
  
      # Initialize counter for line number
      line_no = 1
  
      # Loop if either file1 or file2 has not reached EOF
      while f1_line != '' or f2_line != '':
          
          # Strip the leading whitespaces
          f1_line = f1_line.rstrip()
          f2_line = f2_line.rstrip()
      
          # Compare the lines from both file
          if f1_line != f2_line:
  
              # If a line does not exist on file2 then mark the output with 
              # + sign
              if f2_line == '' and f1_line != '':
                  print(">+", "Line-%d" % line_no, f1_line)
              # otherwise output the line on file1 and mark it with > sign
              elif f1_line != '':
                  print(">", "Line-%d" % line_no, f1_line)
              
              # If a line does not exist on file1 then mark the output with
              # + sign
              if f1_line == '' and f2_line != '':
                  print("<+", "Line-%d" % line_no, f2_line)
  
              # otherwise output the line on file2 and mark it with < sign
              elif f2_line != '':
                  print("<", "Line-%d" % line_no, f2_line)
  
              # Print a blank line
              print()
          
          # Read the next line from the file
          f1_line = f1.readline()
          f2_line = f2.readline()
  
          # Increment line counter
          line_no += 1
      
      # Close the files 
      f1.close()
      f2.close()
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(description="Parser for comparing two text files")
      parser.add_argument("--file1-name", type=str, default="./file1.txt")
      parser.add_argument("--file2-name", type=str, default="./file2.txt")
      args = parser.parse_args(args=[])
  
      compare_line_by_line(args.file1_name, args.file2_name)
  
      print("Complete!")
  