def has_no_e(phrase):
    have_e = 0
    not_have_e = 0
    try:
        proc = (have_e/not_have_e) * 100
    except ZeroDivisionError:
        print('ZeroDivisionError')
    for word in phrase:
        list.append(word)
    for word in list:
        if 'e' in word:
            have_e += 1
            list.remove(word)
        else:
            not_have_e += 1

    print(list, proc)

list = ['mat', 'tvou', 'ebal']
has_no_e(list)