Luhn (Mod 10)

A fast and simple in-place implementation of the luhn check algorithm in Python. Implementations in other languages can be found at github.com/luhnmod10.

Usage

Install the package:

pip install luhnmod10

Or:

easy_install luhnmod10

Then:

from luhnmod10
luhnmod10.valid('4242424242424242')

Contributing

Contributions are welcome! If you can improve the execution time of this implementation without increasing its complexity, please open a pull request. To test your change, run make in the repository to run the tests and the benchmarks.