def db():
print('----------setup----------------')
db = StudentDB()
db.connect('data.json')
yield db
print('----------teardown----------------')
db.close()
def db():
print('-------------setup-------------')
db = StudentDB() # just initialize StudentDB()
db.connect('data.json') # call connect method to access the json datafile
# return db # used without teardown
yield db
print('-------------teardown-------------')
db.close()