initial commit

.github/workflows/python-app.yml

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+name: Python application
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest
+    - name: Run tests
+      run: |
+        pytest

main.py

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+def is_even(number):
+    """Check if a number is even."""
+    return number % 2 == 0

test_main.py

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+import pytest
+from main import is_even
+
+def test_is_even_with_even_number():
+    assert is_even(4) == True
+
+def test_is_even_with_odd_number():
+    assert is_even(5) == False
+
+def test_is_even_with_zero():
+    assert is_even(0) == True
+
+def test_is_even_with_negative_even():
+    assert is_even(-2) == True
+
+def test_is_even_with_negative_odd():
+    assert is_even(-3) == False