This is an example of implementing a simple todo app as a sample of how to implement CRUD in flask with MongoDB.
Feel free to git clone the repo and try it out in your local machine!
Start virtualenv environment before running the server.py
source bin/activate
You would also need to setup a local MongoDB server for the data transaction Installing MongoDB for Mac users
A MongoDb client like Robo 3T would be very helpful too About Robo 3T
Simply start the server
python server.py
And the home page of the demo would be at:
http://localhost:5000/home