
:: to emphasize certain keywords.factorial(5) should return 120.John Doe, 2023-10-01.["Option 1", "Option 2", "Option 3"].customers and orders tables and filter by the purchase_date column.math library in Python for the factorial function. Ask me if I need help testing the function.python def factorial(n): if n == 0: return 1 else: return n * factorial(n-1)sql SELECT * FROM employees WHERE salary > 50000;None for invalid inputs.pandas for data analysis or React for front-end development.