Python Rank Array Script

A Python script that ranks an array of scores according to specific rules:

• Highest score gets rank 1
• Second highest score gets rank 2
• Tied scores receive the same rank
• Ranks are returned in the same order as the input scores

Project Structure

.
├── LICENSE.md
├── README.md
├── requirements.txt
├── .gitignore
└── src/
    ├── rank_array.py
    └── test_rank_array.py

Prerequisites

• Python 3.9 or higher
• pip (Python package installer)

Installation

1. Clone the repository:

git clone git@github.com:luismr/python-rank-the-array-script.git
cd python-rank-the-array-script

2. Create and activate a virtual environment:

macOS/Linux

python3 -m venv venv
source venv/bin/activate

Windows

python -m venv venv
.\venv\Scripts\activate

3. Install dependencies:

pip install -r requirements.txt

Usage

The script provides a function rank_array(scores) that takes a list of scores as input and returns a list of ranks.

Example:

from src.rank_array import rank_array

scores = [9, 3, 6, 10]
ranks = rank_array(scores)
print(ranks)  # Output: [2, 4, 3, 1]

Running Tests

To run the test suite:

pytest src/test_rank_array.py -v

For coverage report:

pytest src/test_rank_array.py --cov=src --cov-report=term-missing

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE.md file for details.