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import pymongo
import sys


client = pymongo.MongoClient('localhost', 27017)

db = client.school
scores = db.score

def find():
	print "find using dot notation"
	query = {}
	selector = {'media.oembed.url': 1, '_id':0}
	try:
#		cursor = scores.find(query).sort('student_id', pymongo.ASCENDING).skip(4).limit(5)
		cursor = scores.find(query).sort([('student_id', pymongo.ASCENDING), ('scores', pymongo.DESCENDING)]).limit(10)
	except:
		print "Unexpected error", sys.exc_info()[0]
	limit = 0
	for doc in cursor:
		print doc
		limit += 1
		if (limit > 10):
			break