Error Handling
Error handling is a critical component in the user experience of any web application. Flask provides several built-in tools and options for handling errors in a clean and efficient manner. The goal of error handling is to catch and respond to errors that may occur during the execution of your application such as runtime errors, exceptions, and invalid user inputs.
Flask provides a built-in debugger that can be used to catch and diagnose errors during development. So, why is the concept of error handling so important in any web application? An error-handling mechanism provides meaningful error messages to users when things go south when expected to go north, helping to maintain the overall quality of the user experience. Also, proactive error handling makes debugging easy.
If error-handling implementation is well thought out, then debugging issues and identifying the root causes of problems in the application becomes easier. As a developer, you would also want to...