1. Course Introduction In the last class, we learned about variables, data types, user input, and conditional statements in Python, enabling us to write simple BMI calculators and grade evaluation programs. However, when faced with operations that need to be repeated, such as calculating the sum from 1 to 100, we would have to write … Read more
Introduction to Python Programming: Understanding Control Flow with Ease For programming beginners, the world of code seems filled with complex symbols and rules. But imagine writing a program as designing a set of action guidelines for a very obedient but opinionless robot. By default, this robot will strictly follow the guidelines in order, executing tasks … Read more
Dear friends! Welcome to the “beginner’s village” of C language! Today, our first boss to defeat for leveling up is — basic syntax and data types! It may seem unremarkable, but don’t forget: C language has no garbage collection and no type inference; every char, int, and float you write is your own responsibility! So, … Read more
PLC 1200, as an important control device in the field of industrial automation, has powerful functions and wide applications. To deeply learn and master this technology, it is necessary to prepare a series of fundamental knowledge in advance. This knowledge serves as the foundation for building a skyscraper, helping learners better understand and apply the … Read more
![C++ Basics 009 [Notes Version - Variable Assignment and Value Swapping]](https://boardor.com/wp-content/uploads/2025/11/c9b3e543-cdaa-4644-8d10-9c4bf998ea79.jpg)
Click the blueFollow usC++ Basics 009 – VariablesVariable Assignment and Value Swapping Learning programming is like playing the game of “organizing stationery” – in C++, a “variable” is like asmall box on your desk. “Assignment” means putting something in the box, and “value swapping” means exchanging the contents of two boxes. Today, we will use … Read more
1. Multiple Choice Questions Which of the following statements about variables in C language is correct? ( )A. Variable names must start with a digitB. Variable names can contain special charactersC. Variable names must start with a letter or underscoreD. There is no limit to the length of variable namesAnswer: CExplanation: In C language, variable … Read more
Basics Python (Part 3) Dear students, have you ever wondered how computers understand human commands and perform various complex tasks? Today, let us unveil the mystery of programming and step into the fascinating world of the Python programming language! Python is like a “foreign language” for conversing with computers, but it is more concise and … Read more
1. A C program must contain at least one ( ), which is ( ). 2. A function consists of two parts, which are ( ) and ( ).3. The scope of the function body is ( ).4. The function body generally includes ( ) and ( ).5. The C language performs input and output … Read more
1. Multiple Choice Questions In the following code snippet, the final value of <span><span>x</span></span> is ( ) int x = 10;x += 5 * 2;x /= 3; A. 5 B. 6 C. 15 D. 20Answer: BExplanation:<span><span>x += 5 * 2</span></span> is equivalent to <span><span>x = x + 5 * 2</span></span>, thus <span><span>x = 10 + … Read more
Screenshots of Electronic Books in the 400G Collection