import argparse
 
def main():
  parser = argparse.ArgumentParser('py')
  parser.add_argument('file', help='input file')
  parser.add_argument('encoding', help='encoding')
  args = parser.parse_args()
 
  with open(args.file, 'r', encoding=args.encoding) as fin:
    lines = fin.readlines()
 
  for line in lines:
    if line.startswith('title:'):
      title = line.split(':')[1].strip()
      print('Title:', title)
    elif line.startswith('author:'):
      author = line.split(':')[1].strip()
      print('Author:', author)
 
main()

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