Use the CrossRef API to guess the DOI for a given title

guess_doi.py

#!/usr/bin/env python3

import sys
import requests

title = sys.argv[1]
api_url = "https://api.crossref.org/works"

response = requests.get(api_url, params={"query.title": title})

if response.status_code != 200:
    exit("uhoh, got a bad response from Crossref: {response}")

for item in response.json()['message']['items']:
    print(item['DOI'])
    print(item['title'][0])
    for author in item.get('author', []):
        print('-', author['given'], author['family'])
    print()