from typing import List
from typing import Tuple


def transform_identifiers(identifiers: List[Tuple[str, int]]) -> List[str]:
    """
    Transform the original list of identifiers into the writable form.
    :param identifiers: list of tuples, identifier and count.
    :return: a list of identifiers in the writable form, "identifier:count".
    """
    formatted_identifiers = []
    for identifier in identifiers:
        if identifier[0].rstrip() != "":  # Checking for occurring empty tokens.
            formatted_identifiers.append("{identifier}:{count}"
                                         .format(identifier=identifier[0].rstrip(),
                                                 count=str(identifier[1]).rstrip()))
    return formatted_identifiers