Find Longest List

Write a Python function `max_length` that takes a list of lists as input and returns a tuple containing the length of the longest list and the longest list itself. If there are multiple lists with the same maximum length, return the first one encountered.

#### Example Usage
```python [main.nopy]
print(max_length([[0], [1, 3], [5, 7], [9, 11], [13, 15, 17]]))  # Output: (3, [13, 15, 17])
print(max_length([[1], [5, 7], [10, 12, 14, 15]]))  # Output: (4, [10, 12, 14, 15])
print(max_length([[5], [15, 20, 25]]))  # Output: (3, [15, 20, 25])
```

#### Constraints
- The input will always be a list of lists.
- Each sublist will contain only integers.
- The input list will not be empty.
def max_length(list_of_lists):
    """
    Find the longest list in a list of lists and return its length and the list itself.

    Args:
        list_of_lists (list of list): A list containing sublists.

    Returns:
        tuple: A tuple containing the length of the longest list and the list itself.
    """
    # Placeholder for the solution
    pass
Intermediate listsloops
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