Programmer Think

01. Basic theory 1, Concept of object 1. Everything is an object 2. The object is a specific object The attributes of ownership, the behavior of ownership, and the scattered are encapsulated into a whole. For example: Wang Xiaoer (attribute: name, age, height... Behavior: walking, eating, herding sheep...) 3. The embodiment of objects in p ...

Do a guessing game in Python (Introduction) preface: Hello, everyone. I'm sunset sampan. Because time is a little tight recently, I'll make a small program first. Thank you for your support. Due to your limited ability, you are welcome to correct the error. My code is divided into two stages. The second stage is the perfect version of the ...

Introduction: now many people, most of them are only in rough writing, and they don't know how to write with brush. But the yearning for a better life is no less than that of literati. Here programmers write beautiful Spring Festival couplets with the help of code. Now, let's show you how to write Spring Festival couplets in Python. 1. Env ...

python reserved word Reserved words are keywords, and we cannot use them as any identifier name. Python's standard library provides a keyword module, which can output all keywords of the current version: >>> import keyword >>> keyword.kwlist ['False', 'None', 'True', '__peg_parser__', 'and', 'as', 'assert', 'async', 'await', ...

python learning range() function range(5) -> 0,1,2,3,4 range(5,9) -> 5,6,7,8 Range (0,10,3) - > 0, 3, 6, 9: step size is 3 list In memory, a sequence is a continuous memory space used to store multiple values. An object contains three parts: memory address id, data type type and value. The id of the object is stored in the sequence ...

This blog will introduce how to use Python and OpenCV to apply morphological operations. include: Corrosion (Erosion)ExpansionOpeningClosingMorphological gradientBlack hatTop hat (also called "White hat") Morphological operation is an image processing transformation applied to gray or binary images. These operations require a st ...

preface: Thank you, brother Li. It's really strong. I'll give you a compliment 1 GUI interface programming 1.1 problem description Topic selection: oral arithmetic question generation system Design GUI interface to realize oral arithmetic problem generation system, including but not limited to the following functions. (1) Oral arithmeti ...

    ✨✨✨ Thank you for opening Xiaobai's article "I hope you have made a little progress today and come closer to a better life!" 🌈 catalogue 🚀 Previous review 🍉 Foreword 🍋 Installation of Pilot Library 🌟 Filter for image processing 🌻 Image module built-in functions and properties 🌻 ImageFilter module 🌻 Small e ...

After more than a week of learning and trying, I believe everyone is familiar with the syntax, structure, and some basic packages and uses of python. Now we are officially ready to start collecting, but there is a big problem. Just like when collecting the American case station before, we have to write several lines of instructions for each col ...

Introduction to machine learning for programmers (IV) - common skills in the training process This article will focus on some common skills in machine learning training using pytorch. Mastering them can make you get twice the result with half the effort. Most of the codes used will be based on the last example in the previous article, that is ...