def autocomplete1(word):
    load_data = open("alphabetical.csv")
    file_contents = load_data.readlines()
    load_data.close()
    lista = []



    for x in file_contents:
        if x[0:len(word)] == word:
            ord, frekvens = x.split(",")
            lista.append([ord, int(frekvens)])

    largest = 0
    for frekvens in lista:
        if frekvens[1] > largest:
            largest = frekvens[1]

    return largest

print(autocomplete1("a"))