Numerous significant improvements Beta · TheAlgorithms/Python@9ed3bbe

ciphers/hill_cipher.py:280:21: F821 Undefined name `det_value`

ciphers/hill_cipher.py:280:11: RUF046 Value being cast to `int` is already an integer

ciphers/hill_cipher.py:277:9: F841 Local variable `det_value` is assigned to but never used

ciphers/hill_cipher.py:157:17: F821 Undefined name `self`

ciphers/hill_cipher.py:155:25: F821 Undefined name `self`

ciphers/hill_cipher.py:155:15: F821 Undefined name `det`

ciphers/hill_cipher.py:154:8: F821 Undefined name `det`

ciphers/hill_cipher.py:152:15: RUF046 Value being cast to `int` is already an integer

ciphers/hill_cipher.py:152:9: F841 Local variable `det` is assigned to but never used

ciphers/hill_cipher.py:122:32: RUF057 Value being rounded is already an integer

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