1. Introduction In application development, data management, such as data storage and retrieval, is a fundamental requirement. Regardless of the type or scale of the application, data storage management is essential. In most business applications, the two most commonly used types of databases are NoSQL databases, such as Redis, and relational databases, such as MySQL. … Read more
Python is a simple, powerful programming language that is suitable for both beginners and professional developers. This tutorial will introduce the basic concepts of Python. 1. Introduction to Python Python is a high-level, interpreted, general-purpose programming language, first released by Guido van Rossum in 1991. It has the following features: Simple and readable syntax Cross-platform … Read more
Friends, have you watched a bunch of Python tutorials but still can’t write code? Don’t worry, today I will share some practical tips that those tutorials didn’t cover. 1. Understand this first: How does Python actually run code? Many beginners don’t even know how to execute a .py file. Try this: Execution method: Open the … Read more
1. Breaking Stereotypes: Python’s “Multiple Identities” Python is like the Swiss Army Knife of the programming world; you can never define it with a single label: For Beginners: It is the **”Instruction Language”** (syntax close to English) For Developers: It is the **”Glue Language”** (easily calls C/Java libraries) For Scientists: It is the **”Calculator Pro … Read more
Hello everyone, I am a Python developer and technical tutorial author. Today, I want to talk to you about some of the latest features in Python. As a veteran with over ten years of coding experience, I have witnessed the evolution of Python from version 3.5 to now. Each update has made this language more … Read more
Zero, Introduction: Programming is like snacking on sunflower seeds, once you start, you can’t stop! Friends, today let’s talk about something practical! Python is like our family heirloom kitchen knife; it can chop dumpling filling and is also great for smashing cucumbers. I’ll teach you the most basic syntax to handle those daily chores, saving … Read more
<span>filter()</span> is a built-in high-order function in Python used to filter sequences, removing elements that do not meet the specified conditions, and returning an iterator object (returns a list in Python 2.x and an iterator in Python 3.x). Basic Syntax filter(function, iterable) How It Works <span>filter()</span> takes each element in <span>iterable</span> as an argument to … Read more
Learn Excel techniques by following our WeChat public account:excelperfect Tags:PythonandExcel Now,Excel has integrated Python, which means you can use Python to implement more flexible and powerful Excel solutions. In the worksheet cell, just like entering a formula, type: =py Press the Tab key, and a Python cell will be created, as shown in the following … Read more
Loop structures are a type of structure that controls the execution flow of a program, allowing for the repeated execution of a block of code until a specific condition is met.Python provides two main types of loops: for loops and while loops. Types of Loops in Python Loop Type Syntax Applicable Scenarios for loop for … Read more
In China, there is a saying – “Since you are here, you might as well enjoy it!”Seeing beautiful scenery on TV, with green mountains and clear waters, and cascading waterfalls, one might impulsively drive to the destination. Upon arrival, they realize that it was the camera that was beautiful, not the scenery. But since they … Read more