aa

example.py

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+def calculate_area(length, width):
+    """
+    Calculate the area of a rectangle.
+    
+    Args:
+        length (float): The length of the rectangle
+        width (float): The width of the rectangle
+    
+    Returns:
+        float: The area of the rectangle
+    """
+    if length <= 0 or width <= 0:
+        raise ValueError("Length and width must be positive numbers")
+    
+    return length * width
+
+# Example usage
+if __name__ == "__main__":
+    try:
+        area = calculate_area(5, 3)
+        print(f"The area is: {area}")
+    except ValueError as e:
+        print(f"Error: {e}")