On this operate, grade and faculty are default arguments with default values. When you name a operate without school and grade arguments, then the default values of grade and faculty are used. The age and name parameters would not have default values and are required (mandatory) throughout a perform call. Flask may also return a 500 error to the shopper, to point that an unexpected server error has occurred. In addition, the Flask-SQLAlchemy extension attaches to the exception dealing with mecha...

The argument is a worth that's handed to the function when it’s called. In other words on the calling facet, it is an argument and on the perform aspect it is a parameter. Arguments are declared within the function definition. To declare a default value of an argument, assign it a worth at function definition. The lastly clause and the code afterwards execute as you'd count on. This is helpful for some instances once you want to clean up no matter the outcome of your try to except clauses. Actio...