m.py

from pymongo import MongoClient
def get_db():
 client=MongoClient('localhost:27017');
 db=client.myFirstPythomMB;
 return db;
def add_country(db):
 db.countries.insert({"name" : "Canada"})
 
def get_country(db):
 return db.countries.find_one()

if __name__=="__main__":
 db=get_db();
 add_country(db)
 print get_country(db)