QuantumNovice 95a4957d9e Luhn algorithm (#4487) ...

* Luhn algorithm

Perform Luhn validation on input string
    Algorithm:
    * Double every other digit starting from 2nd last digit.
    * Subtract 9 if number is greater than 9.
    * Sum the numbers
https://en.wikipedia.org/wiki/Luhn_algorithm

* Update DIRECTORY.md

* Update luhn.py

* Update luhn.py

* Update luhn.py

* Update luhn.py

* Update DIRECTORY.md

2021-06-13 23:49:44 +05:30

..

__init__.py

Add __init__.py files in all the directories (#2503)

2020-09-28 19:42:36 +02:00

adler32.py

[mypy] fix hashes folder (#4305)

2021-04-03 13:31:46 +05:30

chaos_machine.py

[mypy] fix hashes folder (#4305)

2021-04-03 13:31:46 +05:30

djb2.py

Hash djb2 (#2098)

2020-06-16 22:22:47 +02:00

enigma_machine.py

[mypy] fix hashes folder (#4305)

2021-04-03 13:31:46 +05:30

hamming_code.py

hamming_code.py: Reduce McCabe code complexity (#2140)

2020-06-22 14:18:57 +02:00

luhn.py

Luhn algorithm (#4487)

2021-06-13 23:49:44 +05:30

md5.py

fix(ci): Update pre-commit hooks and apply new black (#4359)

2021-04-26 07:46:50 +02:00

sdbm.py

[mypy] fix hashes folder (#4305)

2021-04-03 13:31:46 +05:30

sha1.py

Fixed typo in caesar_cipher.py (#2979)

2020-10-17 13:26:11 +05:30