From b0be07bb04b2de4e2ee9b6cf61b465bdfceb7593 Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:45:32 +0300
Subject: [PATCH 1/6] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5=20=D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA?=
 =?UTF-8?q?=D0=B8=20power=20=D0=BD=D0=B0=200=20=D0=B8=20=D0=BF=D1=80=D0=BE?=
 =?UTF-8?q?=D0=B2=D0=B5=D1=80=D0=BA=D0=B8=20power=20=D0=BD=D0=B0=20=D0=BE?=
 =?UTF-8?q?=D1=82=D1=80=D0=B8=D1=86=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD?=
 =?UTF-8?q?=D0=BE=D1=81=D1=82=D1=8C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/fast_pow.py | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/fast_pow.py b/src/fast_pow.py
index 1ba1dc1..e7843f6 100644
--- a/src/fast_pow.py
+++ b/src/fast_pow.py
@@ -1,6 +1,11 @@
 def fastPow(number, power):
-    result = number
-    while power != 1:
-        result *= result
-        power = power // 2
-    return result
+    if power == 0:
+        return 1
+    if power < 0:
+        return 1 / fastPow(number, -power)
+    else:
+        result = number
+        while power != 1:
+            result *= result
+            power = power // 2
+        return result

From 9f2303a797f74a7e06a8bccde0b375314dd550fa Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:46:18 +0300
Subject: [PATCH 2/6] =?UTF-8?q?=D0=98=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=B5=20=D0=BF=D0=B5=D1=80=D0=B5=D0=BC=D0=B5=D0=BD=D0=BD?=
 =?UTF-8?q?=D0=BE=D0=B9=20double=20=D0=BD=D0=B0=20=D1=81=D1=83=D0=BC=D0=BC?=
 =?UTF-8?q?=D1=83=20=D1=86=D0=B8=D1=84=D1=80=20double,=20=D0=B4=D0=BE?=
 =?UTF-8?q?=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D0=B5=20=D1=83=D1=82?=
 =?UTF-8?q?=D0=B8=D0=BB=D0=B8=D1=82=D1=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/luhn.py | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/luhn.py b/src/luhn.py
index 11d993c..d2da690 100644
--- a/src/luhn.py
+++ b/src/luhn.py
@@ -1,14 +1,31 @@
 def luhnСheck(cardNumber):
     digits = [int(d) for d in str(cardNumber) if d.isdigit()]
     control = digits.pop()
-    parity = (len(digits))%2
+    parity = (len(digits)) % 2
     total = 0
     for i in range(len(digits)):
         if i % 2 == parity:
             doubled = digits[i] * 2
             if doubled > 9:
-                doubled -= 9
+                doubled = int(str(doubled)[0]) + int(str(doubled)[1])
+                total += doubled
             total += doubled
         else:
             total += digits[i]
     return (total + control) % 10 == 0
+
+flag = 1
+while flag:
+    test = input("Введите номер карты в формате XXXX XXXX XXXX XXXX или -1 для прекращения ввода: ")
+    if test == "-1":
+        flag = 0
+        break
+    else:
+        if len(test) == 19 and len([i for i in test if i.isdigit()]) == 16:
+            if luhnСheck(test):
+                print("Correct")
+            else:
+                print("Incorrect")
+
+        else:
+            print("Номер карты введен в неверном формате!")

From 296120546d04a242dc21342113fed7641dc46a9b Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:47:06 +0300
Subject: [PATCH 3/6] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5=20=D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA?=
 =?UTF-8?q?=D0=B8=20=D0=BE=D1=82=D1=80=D0=B8=D1=86=D0=B0=D1=82=D0=B5=D0=BB?=
 =?UTF-8?q?=D1=8C=D0=BD=D0=BE=D0=B9=20=D0=B8=20=D0=BD=D1=83=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=B2=D0=BE=D0=B9=20=D1=81=D1=82=D0=B5=D0=BF=D0=B5=D0=BD=D0=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test/test_fast_pow.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/test_fast_pow.py b/test/test_fast_pow.py
index 5e4aebd..19af9a5 100644
--- a/test/test_fast_pow.py
+++ b/test/test_fast_pow.py
@@ -7,3 +7,9 @@ def test_two_power_two():
 
 def test_negative():
     assert fastPow(-1, 4) == 1
+
+def test_negative_pow():
+    assert fastPow(3, -2) == 1/9
+
+def test_zero_pow():
+    assert fastPow(100, 0) == 1

From f12fb960607d383caaa316b0efeb639fbdab782d Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:47:38 +0300
Subject: [PATCH 4/6] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5=20=D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BE?=
 =?UTF-8?q?=D0=BA=20=D1=86=D0=B8=D1=84=D1=80=20=D0=BD=D0=B0=20=D1=87=D0=B5?=
 =?UTF-8?q?=D1=82=D0=BD=D1=8B=D1=85=20=D0=BF=D0=BE=D0=B7=D0=B8=D1=86=D0=B8?=
 =?UTF-8?q?=D1=8F=D1=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test/test_luhn.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/test_luhn.py b/test/test_luhn.py
index 1c021a2..f961fc9 100644
--- a/test/test_luhn.py
+++ b/test/test_luhn.py
@@ -2,8 +2,14 @@
 
 
 def test_good():
-    assert luhnСheck("8571 2612 1234 5467")
+    assert luhnСheck("8571 2612 1234 5427")
 
 
 def test_bad():
-    assert not luhnСheck("4561 2612 1234 5463")
\ No newline at end of file
+    assert not luhnСheck("4561 2612 1234 5463")
+
+def test_good_even_positions_numbers():
+    assert luhnСheck("9191 9191 9191 9194")
+
+def test_bad_even_positions_numbers():
+    assert not luhnСheck("9191 9191 9191 9191")

From 39451f6b2ba1be8fd8226a3a9f5a4c2fd3ea89a3 Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:48:27 +0300
Subject: [PATCH 5/6] =?UTF-8?q?=D0=A1=D0=BE=D0=B7=D0=B4=D0=B0=D0=BD=D0=B8?=
 =?UTF-8?q?=D0=B5=20.gitignore?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore | 209 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 209 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cc18fb2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,209 @@
+# Created by https://www.toptal.com/developers/gitignore/api/macos,python
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,python
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### macOS Patch ###
+# iCloud generated files
+*.icloud
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+### Python Patch ###
+# Poetry local configuration file - https://python-poetry.org/docs/configuration/#local-configuration
+poetry.toml
+
+# ruff
+.ruff_cache/
+
+# LSP config files
+pyrightconfig.json
+
+# End of https://www.toptal.com/developers/gitignore/api/macos,python

From 2956985836d8f0f5f8fa25196ab005127ef2cf7a Mon Sep 17 00:00:00 2001
From: Simonov Kirill <147266661+NewsPGG@users.noreply.github.com>
Date: Mon, 27 Oct 2025 16:49:36 +0300
Subject: [PATCH 6/6] =?UTF-8?q?=D0=A1=D0=BE=D0=B7=D0=B4=D0=B0=D0=BD=D0=B8?=
 =?UTF-8?q?=D0=B5=20=D0=BB=D0=B8=D1=86=D0=B5=D0=BD=D0=B7=D0=B8=D0=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 LICENSE | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 LICENSE

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..4a63d13
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Simonov Kirill
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.