from typing import List
from typing import Counter


def get_characters(lang_data: List[str]) -> Counter:
    """
    Return a sorted list of characters in the language corpus.

    Parameters
    ----------
    lang_data : List[str]
        A list of all paragraphs

    Returns
    -------
    characters : Counter
    """
    # maps the character to the count
    characters = Counter()  # type: Counter
    for paragraph in lang_data:
        characters += Counter(paragraph)
    return characters