from typing import Tuple
from typing import List


def create_empty_matrix(table_size: Tuple[int, int], verbose: bool = False) -> List[List[str]]:
    """
    Create matrix with the given size, filled with placeholder values
    """
    if verbose:
        print(f"\nCreating empty matrix with size {table_size[0]} x {table_size[1]}")

    return [['_' for col in range(table_size[1])] for row in range(table_size[0])]