# coding: utf-8

from re import sub
from unidecode import unidecode


def readFile(filename):
    data = None
    dataFile = str()

    with open(filename, 'r') as f:
        data = f.readlines()

        for d in data:
            u = unidecode(d.lower(), 'utf-8')
            dataFile += sub(r'[^a-z]', '', u)

    return dataFile

def countLetters(text):
    # Get number of letters
    totalLetters = 0
    for letter in text:
        totalLetters += 1
    return totalLetters