In the previous article, we briefly introduced Flask, a Python web development framework, and learned how to write a Hello World, but we are still a long way from developing a real project with Flask.
1. Introduction to the concept decorator, also known as a “decorator function”, is a function that returns a value that is also a function, and can be called a “function of functions”.
1 Concept introduction In previous tutorials, we’ve touched on some typical for statements, such as.
Functional programming is now gradually accepted by the majority of the development community, more and more developers have begun to use this elegant development model, and we use functional programming is the main need to be clear:
Defining a function is very simple, but how to define a function, what parameters are needed, and how to call it is a question we need to think about.
As a Python beginner, when you first learn Python programming, you will often see error messages, which are the errors and exceptions we’ll talk about next.
Python also contains a set type. A set is an unordered set of non-repeating elements.
Web development is a must-have skill for programs nowadays, as most software is provided in web form, and you need to understand the concepts and features of web development in order to produce backend development or just frontend development.
We’ve actually touched on Python’s input and output features in previous articles, so let’s learn more about them in this article.
1. Introduction of references and tools The treatment of variables in Python is very different from that of C.