from typing import List
from typing import Tuple


def partition_leading_lines(
    lines: List[str],
) -> Tuple[List[str], List[str]]:
    """
    Returns a tuple of the initial blank lines, and the comment lines.
    """
    for j in range(len(lines)):
        if lines[j].startswith("#"):
            break
    else:
        j = len(lines)

    return lines[:j], lines[j:]