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from pymongo import MongoClient
import sys

client = MongoClient('localhost', 27017)

db = client.test
score = db.week4

def find():
	print "command find with selector"
	query = {'type': 'exam', 'scores': {'$gt': 50, '$lt': 70}}
	try:
		cursor = score.find(query)
	except:
		print "Unexpected error", sys.exc_info()[0]
	limit = 0
	for doc in cursor:
		print doc
		limit += 1
		if (limit > 10):
			break