def read_numbers(filename):
    """
    Reads a file of numbers, stores them in a list, and returns the list of numbers
    :param filename: (str) the name of the file that contains the numbers, one number per line
    :return: (list) the list that contains the file numbers
    """
    file = open(filename, "r")

    numbers = []

    for number in file:
        numbers.append(int(number))

    file.close()

    return numbers


def get_counts(data):
    """
    Given a list, it creates a dictionary of frequency of list items
    :param data: (list) a list of items to create a frequency dictionary
    :return: (dict) a frequency dictionary that corresponds to the provided data
    """
    counts = {}

    for val in data:
        if val in counts:
            counts[val] += 1
        else:
            counts[val] = 1

    return counts


def print_counts(counts):
    """
    Given a dictionary, it prints its key-value pairs
    :param counts: (dict) the dictionary to print
    :return: (None)
    """
    for key in counts:
        print(str(key) + "\t" + str(counts[key]))


def get_most_frequent_value(data):
    """
    Given a list of numbers, it returns the number that appears the most times in the list
    :param data: (list) a list of numbers
    :return: (int) the number that appears the most times in the list
    """
    counts = get_counts(data)

    max_key = 0
    max_value = -1

    for key in counts:
        if counts[key] > max_value:
            max_key = key
            max_value = counts[key]

    return max_key


def get_most_frequent(data):
    """
    Given a list with numbers, it returns the number that appears the most times in the list along with its frequency
    :param data: (list) list of numbers to find the one with the highest frequency
    :return: (tuple) number-frequency tuple, where number is the one with the highest frequency in the list 
    """
    counts = get_counts(data)

    max_key = 0
    max_value = -1

    for key in counts:
        if counts[key] > max_value:
            max_key = key
            max_value = counts[key]

    return (max_key, max_value)