def print_duplicates(my_str):
    # Checks each letter in the string
    for i in range(len(my_str)):
        char = my_str[i]
        count = 1

        # References that letter with every other letter in the string. If they
        # match, the count goes up 1
        for n in range(i + 1, len(my_str)):
            if my_str[n] == char:
                count += 1

        # Checking to see if the letter appeared earlier in the word. If it
        # has, count is set to 0
        for g in range(0, i):
            if my_str[g] == char:
                count = 0

        # If it occurs more than once, print:
        if count >= 2:
            print("{}, Count: {}".format(char, count))


def string_sum(my_str):
    sum = 0
    for i in range(len(my_str)):
        sum += int(my_str[i])
    return sum


def translate_phone(phone_str):
    phone_str = list(phone_str)
    new_str = ""
    for i in range(len(phone_str)):
        if phone_str[i].isalpha() == True:
            if phone_str[i] == "A" or phone_str[i] == "B" or phone_str[i] == "C":
                new_str = new_str + "2"
            elif phone_str[i] == "D" or phone_str[i] == "E" or phone_str[i] == "F":
                new_str = new_str + "3"
            elif phone_str[i] == "G" or phone_str[i] == "H" or phone_str[i] == "I":
                new_str = new_str + "4"
            elif phone_str[i] == "J" or phone_str[i] == "K" or phone_str[i] == "L":
                new_str = new_str + "5"
            elif phone_str[i] == "M" or phone_str[i] == "N" or phone_str[i] == "O":
                new_str = new_str + "6"
            elif phone_str[i] == "P" or phone_str[i] == "Q" or phone_str[i] == "R" or phone_str[i] == "S":
                new_str = new_str + "7"
            elif phone_str[i] == "T" or phone_str[i] == "U" or phone_str[i] == "V":
                new_str = new_str + "8"
            elif phone_str[i] == "W" or phone_str[i] == "X" or phone_str[i] == "Y" or phone_str[i] == "Z":
                new_str = new_str + "9"
        else:
            new_str += phone_str[i]

    return new_str


def add_spaces(my_str):
    new_str = my_str[0]
    for i in range(1, len(my_str)):
        if my_str[i].islower() == True:
            new_str = new_str + my_str[i]
        elif my_str[i].isupper() == True:
            new_str = new_str + " " + my_str[i].lower()
    return new_str


def get_strings():
    """
    -------------------------------------------------------
    makes a list from strings
        Use: get_strings()
    -------------------------------------------------------
    Postconditions:
        returns:
        list - list of user inputs(list)
    -------------------------------------------------------
    """
    list = []
    x = (input("Enter a new item: "))
    while x != "":
        list.append(x)
        x = (input("Enter a new item: "))
    return list


def is_word_chain(my_list):
    wordchain = True
    keep_going = True
    for i in range(len(my_list) - 1):
        word = str(my_list[i])
        next_word = str(my_list[i + 1])
        if word[len(word) - 1] != next_word[0]:
            wordchain = False

    return wordchain

from a8_functions import print_duplicates

my_str = input("Enter a string: ")
print_duplicates(my_str)

from a8_functions import string_sum
my_str = input("Enter a string of numbers: ")
result = string_sum(my_str)
print(result)
from a8_functions import translate_phone

phone_str = input("Enter a phone number: ")
number = translate_phone(phone_str)
print(number)

from a8_functions import add_spaces
my_str = input("Enter a sentance with no spaces: ")
result = add_spaces(my_str)
print(result)

from a8_functions import get_strings, is_word_chain
my_list = get_strings()
print(my_list)
wordchain = is_word_chain(my_list)
if wordchain == True:
    print("It is")
elif wordchain == False:
    print("It aint")