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The Hitchhiker's Guide to Python
docs.python-guide.org β€Ί writing β€Ί structure
Structuring Your Project β€” The Hitchhiker's Guide to Python
Ravioli code is more likely in Python: it consists of hundreds of similar little pieces of logic, often classes or objects, without proper structure. If you never can remember, if you have to use FurnitureTable, AssetTable or Table, or even TableNew for your task at hand, then you might be swimming in ravioli code. Python modules are one of the main abstraction layers available and probably the most natural one. Abstraction layers allow separating code into parts holding related data and functionality. For example, a layer of a project can handle interfacing with user actions, while another would handle low-level manipulation of data.
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Python
peps.python.org β€Ί pep-0008
PEP 8 – Style Guide for Python Code | peps.python.org
Tabs should be used solely to remain consistent with code that is already indented with tabs. Python disallows mixing tabs and spaces for indentation. Limit all lines to a maximum of 79 characters. For flowing long blocks of text with fewer structural restrictions (docstrings or comments), the line length should be limited to 72 characters.
Discussions

What is the optimal structure for a Python project?
3 tips from me: When you use typing everywhere then you are forcing yourself to omit the circular dependencies (we cannot have circular dependencies imports in python) between modules which is the easiest way to keep a very basic structure. Think of the modules hierarchy while structuring the python code. Which module is high level (e.g. dashboard, GUI) and which is low level (e.g. some utils module build upon a standard library). Always import a module that has a lower level of abstraction (or in other words, lower complexity) in the module with higher complexity. E.g. GUI module imports storage access module and not the other way around. More on reddit.com
🌐 r/Python
52
253
December 25, 2023
Python project structure
Hello, I am a programmer with experience in multiple of programming languages, but not yet in python. I want to start a bigger project, but while googling I find a lot of conflicting advice on how to structure it. Can someone provide me a few links to what’s the standard today, if there even ... More on discuss.python.org
🌐 discuss.python.org
6
1
October 13, 2023
How to structure code in python? (Advice)
I dont know if its standart or not since I'm using python only in my hobbies, but I'm always using good old main function. It feels easier to follow code because I know there is a main function and everything starts there. def main(): # do stuff if __name__ == "__main__": main() Also try to minimize code duplicates. Never copy paste a code, if you're copy pasting something just convert it to a function. "if you need more than 3 levels of indentation, you're screwed anyway, and should fix your program" More on reddit.com
🌐 r/learnpython
7
6
April 18, 2024
Project structure best practices
I wouldn't say there's any one "correct" way to structure a Python project, but I like to think my project templates are close to ideal: Regular: https://github.com/Diapolo10/python-poetry-template Mixed Python-Rust projects: https://github.com/Diapolo10/python-rust-template Of course, in the real world there's all kinds of different needs so it's not like either of these fits every use-case. And I'm only human, there are probably even better ways out there. But they've served me well so far. More on reddit.com
🌐 r/learnpython
8
9
January 28, 2024
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GeeksforGeeks
geeksforgeeks.org β€Ί python β€Ί structuring-python-programs
Structuring Python Programs - GeeksforGeeks
July 11, 2025 - Indentation is used in writing python codes. Whitespaces before a statement have significant role and are used in indentation. Whitespace before a statement can have a different meaning. Let's try an example. ... # Example print('foo') # Correct print('foo') # This will generate an error # The error would be somewhat 'unexpected indent' Leading whitespaces are used to determine the grouping of the statements like in loops or control structures ...
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Gui Commits
guicommits.com β€Ί organize-python-code-like-a-pro
How to organize Python code - Gui Commits
August 15, 2022 - By doing that you ensure that any imports won't trigger your code by accident. Unless it's explicitly executed. You might have noticed some python packages that can be invoked by passing down -m like: python -m pytest python -m tryceratops python -m faust python -m flake8 python -m black Β· Such packages are treated almost like regular commands since you can also run them as: ... <project> β”œβ”€β”€ src β”‚ β”œβ”€β”€ example_module πŸ‘ˆ Main module β”‚ β”‚ β”œβ”€β”€ __init__.py β”‚ β”‚ β”œβ”€β”€ __main__.py πŸ‘ˆ Add it here β”‚ β”‚ └── many_files.py β”‚ β”‚ β”‚ └── tests/* β”‚ └── many_tests.py β”‚ β”œβ”€β”€ .gitignore β”œβ”€β”€ pyproject.toml └── README.md
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Real Python
realpython.com β€Ί python-script-structure
How Can You Structure Your Python Script? – Real Python
May 6, 2026 - Data classes use type hints to define fields and automatically generate useful methods like .__init__() and .__repr__(). This significantly reduces the boilerplate code you’d typically write for a manual class definition when primarily storing data. Furthermore, you can easily add custom methods to bundle behavior with the data. For instance, you might want to calculate and store descriptive statisticsβ€”such as a measure of distributional shape from the difference between the mean and medianβ€”directly within the data structure: ... #!/usr/bin/env python3 # /// script # requires-python = ">=3.11" # dependencies = [ # "click==8.1.8", # "pandas==2.2.3", # "ucimlrepo==0.0.7", # ] # /// from dataclasses import dataclass, field from enum import IntEnum, StrEnum, auto from pprint import pformat, pprint as pp import click import pandas as pd from ucimlrepo import fetch_ucirepo # ...
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Rheinwerk Computing
blog.rheinwerk-computing.com β€Ί what-is-the-basic-structure-of-a-python-program
What Is the Basic Structure of a Python Program?
September 26, 2022 - Python gives a programmer very precise instructions on how to structure the source code. Although experienced programmers may see this as a limitation, this feature benefits novice programmers in particular, because unstructured and cluttered code is one of the biggest sources of errors in programming. Basically, a Python program consists of individual statements, which in the simplest case take up exactly one line in the source code. For example, the following statement prints text on the screen:
Find elsewhere
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Real Python
realpython.com β€Ί python-program-structure
Python Program Lexical Structure – Real Python
March 18, 2026 - This tutorial introduced you to Python program lexical structure. You learned what constitutes a valid Python statement and how to use implicit and explicit line continuation to write a statement that spans multiple lines. You also learned about commenting Python code, and about use of whitespace to enhance readability.
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Real Python
realpython.com β€Ί python-application-layouts
Python Project Structure: How to Choose the Right Layout – Real Python
3 hours ago - A flat layout keeps the package ... run your code without installing anything, and a script in the repository can import project_name directly. Most applications use this layout. For example, the following all sit flat: every project generated by Django’s startproject, the official Flask flaskr/ tutorial package, and FastAPI’s bigger-applications structure. The convenience comes with one catch. Because the current directory is already on Python’s import ...
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Online-python
learn.online-python.com β€Ί python β€Ί python-code-structure
Tutorial
Python's structure reflects its philosophy of beautiful, readable code. The language encourages practices that lead to clean, maintainable programs. ... # Python philosophy in action print("=== PYTHON PHILOSOPHY ===") def process_grade(name, score): """Process a student's grade and give feedback""" # Clear, readable structure if score >= 90: grade = "A" message = "Excellent work!" elif score >= 80: grade = "B" message = "Good job!" elif score >= 70: grade = "C" message = "Satisfactory" else: grade = "F" message = "Needs improvement" # Clear output print(f"Student: {name}") print(f"Score: {score}") print(f"Grade: {grade}") print(f"Feedback: {message}") process_grade("Alice", 87)
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Medium
medium.com β€Ί @adityaghadge99 β€Ί python-project-structure-why-the-src-layout-beats-flat-folders-and-how-to-use-my-free-template-808844d16f35
Python Project Structure: Why the β€˜src’ Layout Beats Flat Folders (and How to Use My Free Template) | by Aditya Ghadge | Medium
May 17, 2025 - Python’s import rules always scan your current working directory first. If your development copy (/home/user/project/) has the same package name as the one you pip-installed, Python might grab the wrong oneβ€”and silent bugs follow. Placing real code under src/ forces you to install the package (e.g., pip install -e .).
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ArjanCodes
arjancodes.com β€Ί blog β€Ί organizing-python-code-with-packages-and-modules
Best Practices for Python Code Structuring | ArjanCodes
April 1, 2024 - Python packages are fundamental tools for organizing and reusing code across different projects. For intermediate developers looking to refine their skills, understanding how to create, structure, and utilize Python packages is crucial.
Top answer
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Python program is a collection of instructions that tell a computer what to do. It is like a recipe for a computer. Python programs are made up of statements, which are lines of code that tell the computer to perform a specific task. Statements can be grouped together into blocks, which are indented sections of code.The basic structure of a Python program is as follows:1. Comments:Comments are used to explain the purpose of the code or to make notes for other programmers. Comments are ignored by the Python interpreter, so they do not affect the execution of the program. Comments start with a hash symbol (#) and can be on the same line as a statement or on a separate line.2. Import statements:Import statements are used to import modules or libraries into the program. Modules are collections of Python code that can be used to perform specific tasks. Libraries are collections of modules. Import statements start with the keyword import followed by the name of the module or library.3. Variable declarations:Variables are used to store data values. In Python, you do not need to explicitly declare variables, you can simply assign a value to a variable. Variable names can be any combination of letters, numbers, and underscores, but they must start with a letter or an underscore.4. Function definitions:Functions are blocks of reusable code that perform a specific task. They are defined using the def keyword followed by the function name and a set of parentheses containing any parameters. The body of the function is indented and contains the code that will be executed when the function is called.5. Main program logic:This is the main part of the program where you write the code to solve the problem at hand. It can include conditional statements (if, else, elif), loops (for, while), and other control structures.Here is an example of a simple Python program:Python# This is a comment.# Import the math module.import math# Define a function to calculate the area of a circle.def area_of_circle(radius): """Calculates the area of a circle. Args: radius: The radius of the circle. Returns: The area of the circle. """ return math.pi * radius ** 2# Calculate the area of a circle with a radius of 5.area = area_of_circle(5)# Print the area of the circle.print(area)This program defines a function called area_of_circle() that calculates the area of a circle. The main program logic then calculates the area of a circle with a radius of 5 and prints the result to the console.Python is a powerful and versatile programming language that can be used to create a wide variety of applications. By understanding the basic structure of a Python program, you can start writing your own Python programs to solve real-world problems.
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Song Genius API
melaniewalsh.github.io β€Ί Intro-Cultural-Analytics β€Ί 02-Python β€Ί 03-Anatomy-Python-Script.html
Anatomy of a Python Script β€” Introduction to Cultural Analytics & Python
You can thus use a hash symbol # to insert human language comments directly into the code β€” notes or instructions to yourself and others. In some cases, you might want to write a long comment. To insert a multi-line comment, you can insert the comment between three quotations marks """ """. """ Example Python code for calculating word frequency in a text file """ # Import Libraries and Modules import re from collections import Counter # Define Functions def split_into_words(any_chunk_of_text): lowercase_text = any_chunk_of_text.lower() split_words = re.split("\W+", lowercase_text) return spl
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Medium
medium.com β€Ί the-pythonworld β€Ί best-practices-for-structuring-a-python-project-like-a-pro-959c6d6498d9
Best Practices for Structuring a Python Project Like a Pro! πŸš€ | by mata | The Pythonworld | Medium
March 13, 2026 - awesome_project/ β”‚ β”œβ”€β”€ pyproject.toml β”œβ”€β”€ README.md β”œβ”€β”€ .env.example β”‚ β”œβ”€β”€ src/ β”‚ └── awesome_project/ β”‚ β”œβ”€β”€ main.py β”‚ β”œβ”€β”€ config.py β”‚ β”œβ”€β”€ auth/ β”‚ β”œβ”€β”€ payments/ β”‚ β”œβ”€β”€ services/ β”‚ └── utils/ β”‚ β”œβ”€β”€ tests/ β”‚ └── scripts/ This structure scales from small tools to enterprise systems. Great Python developers don’t just write clever code.
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Python.org
discuss.python.org β€Ί python help
Python project structure - Python Help - Discussions on Python.org
October 13, 2023 - Hello, I am a programmer with experience in multiple of programming languages, but not yet in python. I want to start a bigger project, but while googling I find a lot of conflicting advice on how to structure it. Can someone provide me a few links to what’s the standard today, if there even is 1 standard?
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DEV Community
dev.to β€Ί codemouse92 β€Ί dead-simple-python-project-structure-and-imports-38c6
Python Package Structure: Dead Simple Python: Project Structure and Imports - DEV Community
April 27, 2022 - That's right...our Python code files actually belong in a separate subdirectory! This is very important, as our repository's root directory is going to get mighty cluttered with build files, packaging scripts, virtual environments, and all manner of other things that aren't actually part of the source code. Just for the sake of example, we'll call our fictional project awesomething.
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Python Land
python.land β€Ί home β€Ί structure your project: modules and packages β€Ί python packages: structure code by bundling your modules
Python Packages: Structure Code By Bundling Your Modules
September 5, 2025 - The structure of a simple Python package with two modules is as follows: ── package_name β”œβ”€β”€ __init__.py β”œβ”€β”€ module1.py └── module2.pyCode language: plaintext (plaintext) As mentioned, packages can contain sub-packages.
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dbader.org
dbader.org β€Ί blog β€Ί how-to-structure-python-programs
How to Structure Your Python Programs – dbader.org
October 3, 2017 - The more you practice this β€œnarrative flow” mindset as a way of structuring your programs, the more natural it will feel and the more automatic it will become as a behavior while you’re coding. If you’re looking for a way to practice this method, try to revisit some of your older Python code and rewrite/refactor it to follow the principles laid out in this article.