## Introduction: When Programming Meets the LEGO Philosophy In the realm of digital creation, Python is like a box of universal LEGO bricks—it is not just a programming language, but a magical key that opens the door to creativity. Over 15 million developers worldwide (2023 PyPL data) choose Python as their primary tool, from NASA's … Read more
Hello everyone! I am your old friend from Python. Today, we are going to talk about a very practical skill that is often overlooked in real projects: handling YAML files. You may have seen files ending with .yaml or .yml in various configuration files; they are more concise and readable than JSON, making them ideal … Read more
Hello everyone, I am your old friend! The previous article “One-Click Stock Selection Tool: Easily Capture Tomorrow’s Potential Stocks with Python!” received a lot of positive feedback, but many friends reported that configuring MySQL was too troublesome, especially for beginners, as installing and debugging the database environment is simply a nightmare. Today, I bring you … Read more
1. if Statement2. elif Statement3. else StatementThe more clumsy, the harder you work;Follow me, let’s learn Python together
When learning Python, we often need to interact with the web, such as scraping web pages, calling third-party APIs, or retrieving data from backend services. Although Python’s built-in <span>urllib</span> is comprehensive, it can feel a bit cumbersome to use. At this point, let me introduce a “great helper”—requests. It allows you to perform various HTTP … Read more
Python Scope Local Scope: Variables defined within a function have local scope and can only be accessed inside that function. When the function execution ends, these local variables are destroyed. For example: def my_function(): local_variable = 10 print(local_variable) my_function() # print(local_variable) # This line will raise an error because local_variable is out of scope Global … Read more
Imagine being a programmer who has to repeat some boring and tedious tasks every day— logging into websites, submitting forms, scraping data, checking webpage content, or taking screenshots and recording screens. Isn’t it annoying? Now, what if we told you that Python can make browsers obey through automation tools and help you complete these heavy … Read more
Practical Guide to Python API Automation Testing Scripts 1. Basic HTTP Request Testing 1.1 Basic GET Request Testing Using the Requests Library import requests import unittest class TestGetApi(unittest.TestCase): def test_get_request(self): # Send GET request response = requests.get('https://jsonplaceholder.typicode.com/posts/1') # Assert status code is 200 self.assertEqual(response.status_code, 200) # Assert response contains expected keys data = response.json() self.assertIn('id', … Read more
Introduction Control Yourself. Achieving success is not difficult for a person. In my youth, I read a book called “Karl Maintains Education,” which tells the story of a father raising a child with cerebral palsy to become a PhD. I believe the essence of the book is about controlling oneself and developing good habits. It … Read more
Incremental Assignment of Sequences The behavior of the incremental assignment operators += and *= depends on their first operand. For simplicity, we will focus on incremental addition (+=), but these concepts apply equally to *= and other incremental operators. The special method behind += is iadd (used for “in-place addition”). However, if a class does … Read more