# Coverage Report

Total executable lines: 4
Covered lines: 4
Missed lines: 0
Coverage percentage: 100.00%

## Source Code with Coverage

```python
1: ✓ def UpdateElements(a):
2: ✓     a[4] += 3
3: ✓     a[7] = 516
4: ✓     return a
```

## Complete Test File

```python
def UpdateElements(a):
    a[4] += 3
    a[7] = 516
    return a

def run_tests():
    test_results = []
    # Test case 1
    try:
        result = UpdateElements([0, 1, 2, 3, 4, 5, 6, 7, 8])
        assert result == [0, 1, 2, 3, 7, 5, 6, 516, 8], f"Test 1 failed: got {result}, expected {[0, 1, 2, 3, 7, 5, 6, 516, 8]}"
        print(f"Test 1 passed")
        test_results.append(True)
    except Exception as e:
        print(f"Test 1 failed: {e}")
        test_results.append(False)

    # Test case 2
    try:
        result = UpdateElements([10, 20, 30, 40, 50, 60, 70, 80])
        assert result == [10, 20, 30, 40, 53, 60, 70, 516], f"Test 2 failed: got {result}, expected {[10, 20, 30, 40, 53, 60, 70, 516]}"
        print(f"Test 2 passed")
        test_results.append(True)
    except Exception as e:
        print(f"Test 2 failed: {e}")
        test_results.append(False)

    # Test case 3
    try:
        result = UpdateElements([-1, -2, -3, -4, -5, -6, -7, -8, -9, -10])
        assert result == [-1, -2, -3, -4, -2, -6, -7, 516, -9, -10], f"Test 3 failed: got {result}, expected {[-1, -2, -3, -4, -2, -6, -7, 516, -9, -10]}"
        print(f"Test 3 passed")
        test_results.append(True)
    except Exception as e:
        print(f"Test 3 failed: {e}")
        test_results.append(False)

    # Test case 4
    try:
        result = UpdateElements([0, 0, 0, 0, 0, 0, 0, 0])
        assert result == [0, 0, 0, 0, 3, 0, 0, 516], f"Test 4 failed: got {result}, expected {[0, 0, 0, 0, 3, 0, 0, 516]}"
        print(f"Test 4 passed")
        test_results.append(True)
    except Exception as e:
        print(f"Test 4 failed: {e}")
        test_results.append(False)

    # Test case 5
    try:
        result = UpdateElements([5, 5, 5, 5, 5, 5, 5, 5])
        assert result == [5, 5, 5, 5, 8, 5, 5, 516], f"Test 5 failed: got {result}, expected {[5, 5, 5, 5, 8, 5, 5, 516]}"
        print(f"Test 5 passed")
        test_results.append(True)
    except Exception as e:
        print(f"Test 5 failed: {e}")
        test_results.append(False)

    return test_results

if __name__ == '__main__':
    results = run_tests()
    print(f"\n{sum(results)}/{len(results)} tests passed")

```
