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>>> import pprint
>>> pprint.pprint(posts.find_one())
{u'_id': ObjectId('...'),
u'author': u'Mike',
u'date': datetime.datetime( ),
u'tags': [u'mongodb', u'python', u'pymongo'],
u'text': u'My first blog post!'}
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// mongo shell findOne example
db.students.findOne({"_id": "6139d13394f6b376e447ff9d"})