import base64


def decode_password(base64_string: str) -> str:
    """
    Decode a base64 encoded string.
    Args:
        base64_string: str
            The base64 encoded string.
        
    Returns:
        str
            The decoded string.
    """
    base64_bytes = base64_string.encode("ascii")
    sample_string_bytes = base64.b64decode(base64_bytes)
    return sample_string_bytes.decode("ascii")