Update sample_code.py

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PR Review

Analysis of Recent Changes:

1. The developer has added a new divide_two_numbers() function, but I notice that some of the issues from the previous review are still present:

Remaining Issues:

1. The docstring still has inconsistencies:
   • Still says "Product of the two numbers" in Returns section when it should be "Quotient"
2. There's still no check for division by zero
3. The function returns a / b which will give float results, but the return type hint is int

Most critically, I don't see any unit tests added despite the detailed test recommendations in the previous review.

Recommendation:
Given that no unit tests were added and some of the implementation issues remain, I recommend adding the following unit test cases (reiterating from previous review since they are still relevant):

1. Basic Functionality Tests:

   def test_divide_basic():
       assert divide_two_numbers(10, 2) == 5
       assert divide_two_numbers(10, 1) == 10
       assert divide_two_numbers(0, 5) == 0
   
   def test_divide_float_result():
       assert divide_two_numbers(5, 2) == 2.5  # Note: Return type should be changed to float

2. Error Cases:

   def test_divide_by_zero():
       with pytest.raises(ValueError, match="Division by zero is not allowed"):
           divide_two_numbers(10, 0)
   
   def test_negative_numbers():
       with pytest.raises(ValueError, match="Only positive integers are allowed"):
           divide_two_numbers(-10, 2)
       with pytest.raises(ValueError, match="Only positive integers are allowed"):
           divide_two_numbers(10, -2)
       with pytest.raises(ValueError, match="Only positive integers are allowed"):
           divide_two_numbers(-10, -2)

3. Type Validation:

   def test_invalid_types():
       with pytest.raises(TypeError, match="Inputs must be integers"):
           divide_two_numbers(10.5, 2)
       with pytest.raises(TypeError, match="Inputs must be integers"):
           divide_two_numbers("10", 2)
       with pytest.raises(TypeError, match="Inputs must be integers"):
           divide_two_numbers(None, 2)
       with pytest.raises(TypeError, match="Inputs must be integers"):
           divide_two_numbers(10, "2")

4. Edge Cases:

   def test_edge_cases():
       assert divide_two_numbers(sys.maxsize, 1) == sys.maxsize
       assert divide_two_numbers(0, 1) == 0

Additionally, the implementation should be updated to:

1. Fix the docstring to reference division and quotient instead of multiplication and product
2. Add division by zero check
3. Change return type hint to float since division can result in non-integer values
4. Consider whether integer division (//) might be more appropriate depending on requirements

Suggested Implementation Fixes:

def divide_two_numbers(a: int, b: int) -> float:
    """Divide two positive integers together.
    
    Args:
        a (int): First positive integer
        b (int): Second positive integer
        
    Returns:
        float: Quotient of the two numbers
        
    Raises:
        ValueError: If either number is negative or if dividing by zero
        TypeError: If inputs are not integers
    """
    if not isinstance(a, int) or not isinstance(b, int):
        raise TypeError("Inputs must be integers")
    if a < 0 or b < 0:
        raise ValueError("Only positive integers are allowed")
    if b == 0:
        raise ValueError("Division by zero is not allowed")
    return a / b

The code needs these improvements and comprehensive unit tests before it can be considered ready for merging.