Cube Sum of Even Numbers

Write a Python function `cube_sum_of_evens(n)` that calculates the sum of the cubes of the first `n` even natural numbers. The function should take an integer `n` as input and return the computed sum.

#### Example Usage
```python [main.nopy]
cube_sum_of_evens(2)  # Output: 72
cube_sum_of_evens(3)  # Output: 288
cube_sum_of_evens(4)  # Output: 800
```

#### Explanation
- The first 2 even natural numbers are 2 and 4. Their cubes are 8 and 64, and their sum is 72.
- The first 3 even natural numbers are 2, 4, and 6. Their cubes are 8, 64, and 216, and their sum is 288.
def cube_sum_of_evens(n):
    """
    Calculate the sum of the cubes of the first n even natural numbers.

    Args:
        n (int): The number of even natural numbers to consider.

    Returns:
        int: The sum of the cubes of the first n even natural numbers.
    """
    # Initialize the sum
    total = 0
    # Loop through the first n even numbers
    for i in range(1, n + 1):
        # Placeholder for the cube calculation
        pass
    return total
Intermediate mathloopsfunctions
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