Create CONTRIBUTING.md

Co-Authored-By: Antim-IWP <203163676+Antim-IWP@users.noreply.github.com>
Co-Authored-By: Shiwangi Srivastava <174641070+IamShiwangi@users.noreply.github.com>

Author: 3 people

CONTRIBUTING.md

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+# Contributing to LeetCode Python Solutions
+
+Thank you for considering contributing to this repository! Your contributions help make this project better and more comprehensive for everyone. Follow the guidelines below to ensure a smooth contribution process.
+
+---
+
+## 📜 Table of Contents
+
+- [Getting Started](#getting-started)
+- [How to Contribute](#how-to-contribute)
+  - [1. Fork the Repository](#1-fork-the-repository)
+  - [2. Clone Your Fork](#2-clone-your-fork)
+  - [3. Create a New Branch](#3-create-a-new-branch)
+  - [4. Add Your Contribution](#4-add-your-contribution)
+  - [5. Commit Your Changes](#5-commit-your-changes)
+  - [6. Push to Your Fork](#6-push-to-your-fork)
+  - [7. Submit a Pull Request](#7-submit-a-pull-request)
+- [Contribution Guidelines](#contribution-guidelines)
+- [Code of Conduct](#code-of-conduct)
+- [Need Help?](#need-help)
+
+---
+
+## Getting Started
+
+1. Ensure you have [Git](https://git-scm.com/) installed on your system.
+2. Familiarize yourself with the structure of this repository.
+3. Make sure you have a GitHub account. If not, you can create one [here](https://github.com/).
+
+---
+
+## How to Contribute
+
+### 1. Fork the Repository
+
+Click the **Fork** button at the top-right corner of this repository to create a copy of it in your GitHub account.
+
+### 2. Clone Your Fork
+
+Clone your forked repository to your local machine using the following command:
+
+```bash
+git clone https://github.com/<your-username>/LeetCode-Python-Solutions.git
+```
+
+### 3. Create a New Branch
+
+Create a new branch for your contribution. Use a descriptive name for your branch:
+
+```bash
+git checkout -b add-solution-<problem-id>
+```
+
+### 4. Add Your Contribution
+
+- Navigate to the appropriate folder in the `Solution/` directory.
+- Add your solution file (e.g., `problem-id.py`) and update the `readme.md` file in the corresponding folder.
+- Ensure your code is well-documented and follows the repository's coding style.
+
+### 5. Commit Your Changes
+
+Commit your changes with a meaningful commit message:
+
+```bash
+git add .
+git commit -m "Add solution for problem <problem-id>: <problem-title>"
+```
+
+### 6. Push to Your Fork
+
+Push your changes to your forked repository:
+
+```bash
+git push origin add-solution-<problem-id>
+```
+
+### 7. Submit a Pull Request
+
+1. Go to the original repository on GitHub.
+2. Click the **Pull Requests** tab.
+3. Click **New Pull Request**.
+4. Select your branch and submit the pull request with a detailed description of your changes.
+
+---
+
+## Contribution Guidelines
+
+1. **Follow the Repository Structure**: Ensure your contributions are added to the correct folder.
+2. **Write Clean Code**: Use meaningful variable names, add comments, and follow Python best practices.
+3. **Update Documentation**: If you add a new solution, update the corresponding `readme.md` file with the problem description, examples, and your solution.
+4. **Test Your Code**: Ensure your code runs without errors and passes all test cases.
+5. **Be Respectful**: Follow the [Code of Conduct](#code-of-conduct).
+
+---
+
+## Code of Conduct
+
+We are committed to fostering a welcoming and inclusive environment. By participating in this project, you agree to abide by our [Code of Conduct](CODE_OF_CONDUCT.md).
+
+---
+
+## Need Help?
+
+If you have any questions or need assistance, feel free to:
+
+- Open an issue in the repository.
+- Reach out to the maintainers via GitHub.
+
+---
+
+Thank you for contributing! Together, we can make this repository a valuable resource for the coding community.