Just "reading" the code will not bring any real benefits, just like "reading", if you don't think while reading, then you are likely to forget most of it after three months. The really effective way is to "test" the code, debug the code by hand, modify the code, and observe what results will be brought about by changing A to B.
Here are the steps to efficiently learn the source code:
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Run the program and observe its performance.
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Run the source code, use breakpoint debugging, trace the execution flow of the source code from beginning to end, and pay attention to the function stack.
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Draw class diagrams and flowcharts, first record the important classes encountered, and explain the relationship between each class.
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Record the problem, and record the class or content that you don't understand in the form of a problem.
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Write articles or notes to solve the remaining problems one by one.
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Continue to repeat the above steps.
There are not too many websites to download source code for free now, so I specially collected and sorted out the source code of 20 large Python 3 projects. These projects contain executable programs and source code, which are very suitable for beginners to learn from. Whether it is a graduation project or a project defense, these resources are good choices.
Here is an introduction to one of the projects:
- Python 3 development- AI intelligent contact management system
The system can automatically recognize the information in the business card and display it in the text box on the right. If a business card is not available, users can also manually enter contact information.
2. python3 development- Excel data analyst
A comprehensive excel data analysis system
3. python3 development - Word Assistant
4. python3 development - train ticket analysis assistant
5. python3 development - Sweet Orange Music Network
Enter the command "python manage.py runserver" in the virtual environment to start the project. After the startup is successful, visit "http://127.0.0.1:5000" to enter the homepage of Sweet Orange Music Network
6. WeChat robot
Joke function, weather function, character anti-string function.
To run this project, the following prerequisites are required:
◆ WeChat public platform subscription number
◆ millet ball ngrok intranet penetration tool (see instructions for installation)
7.python3 development - intelligent parking lot license plate recognition billing system
Before running the program, first connect the current computer to the Internet, and first apply for the Key required for image recognition on the Baidu AI Open Platform, and copy the Key to the key.txt file in the file subdirectory under the root directory of the project to replace the corresponding key. Just the content. Be careful not to delete the original single quotes when replacing.
8. Source code of Python graduate information review system
9. Python import data calculation wage system source code
10.Python Rail Transit Passenger Flow Prediction System Source Code
Based on the user journey data and station data of the subway ACC (subway automatic fare collection system abbreviation) system, the analysis modeling and algorithm research based on the big data of subway travel trips are completed, and the line level and station level of the subway are realized. Passenger flow analysis and forecasting.
11. Python source code of fatigue detection system based on driver's facial features
12.Python Invoicing Management System Source Code
13. Stock system source code developed by Python
The whole system is implemented using python. Because they are all python class libraries, it is convenient to call each other. From data capture, data processing, to data display, data operations are all implemented in python.
The final data is displayed on the front end. Mainly divided into 4 folders.
jobs fetch data and store implementation classes.
libs general tool class.
Web front-end display framework.
supervisor Process management tool.
14. A chatty AI robot dialogue system source code developed by Python
15.Python pulse recognition system source code
16.python commodity sales data analysis visualization system (with crawler)
17.Python natural gas production forecasting system source code
18.Python automated high-frequency fund trading system source code
19. Python-based asset management system source code
20. A Python animal robot desktop control system source code
Sanlian tells you that you need these source codes, I will upload them to the resource library