import random


def AskQuestion(prompt):
    gotAns = False
    retVal = ""
    while(not gotAns):
        ans = input("{0}? ".format(prompt))
        if(ans == ""):
            print("PLEASE ANSWER THE QUESTION.")
        else:
            gotAns = True
            retVal = ans.upper()
    return retVal

def IsAnInt(input):
    retVal = True
    try:
        i = int(input)
    except:
        retVal = False
    return retVal

def GetIntInput(prompt):
    gotAns = False
    retVal = 0
    while(not gotAns):
        ans = input("{0}: ".format(prompt))
        if(IsAnInt(ans) == True):
            gotAns = True
            retVal = int(ans)
        else:
            print("YOU DID NOT ENTER AN INTEGER.")
    return retVal

def AskToPlayAgain():
    gotAns = False
    retVal = False
    while(not gotAns):
        ans = AskQuestion("DO YOU WANT TO PLAY AGAIN")
        if(ans == "YES" or ans == "Y"):
            retVal = True
            gotAns = True
        elif(ans == "NO" or ans == "N"):
            retVal = False
            gotAns = True
        else:
            print("PLEASE ANSWER \"YES\" OR \"NO\".")
    return retVal

def AskToSeeTheRules():
    gotAns = False
    retVal = False
    while(not gotAns):
        ans = AskQuestion("DO YOU WANT TO SEE THE RULES")
        if(ans == "YES" or ans == "Y"):
            retVal = True
            gotAns = True
        elif(ans == "NO" or ans == "N"):
            retVal = False
            gotAns = True
        else:
            print("PLEASE ANSWER \"YES\" OR \"NO\".")
    return retVal

def GenerateRandomNumber(minimum, maximum, show):
    random.seed()
    retVal = random.randint(minimum, maximum)
    if(show):
        print("{0}".format(retVal))
    return retVal

def DisplayRules():
    print ("I WILL THINK OF A THREE-DIGIT NUMBER. YOU WILL TRY TO")
    print ("GUESS MY NUMBER AND I WILL GIVE YOU CLUES AS FOLLOWS:")
    print ("  PICO   - ONE DIGIT CORRECT BUT IN THE WRONG POSITION")
    print ("  FERMI  - ONE DIGIT CORRECT AND IN THE RIGHT POSITION")
    print ("  BAGELS - NO DIGITS ARE CORRECT")
    print ("")
    print ("YOU GET TWENTY TRIES BEFORE YOU LOSE.")
    print ("")

def AskForGuess(attempt):
    guess = GetIntInput("GUESS #{0}".format(attempt))
    if(guess < 0):
        print("PLEASE GUESS A NON-NEGATIVE NUMBER.")
    elif(guess < 100 or guess > 999):
        print("PLEASE GUESS A NUMBER BETWEEN 100 AND 999.")
    else:
        return guess
    
def MakeIntFromArray(arrayIn):
    retVal = (arrayIn[0] * 100) + (arrayIn[1] * 10) + arrayIn[2]
    return retVal

def MakeArrayFromInt(valIn):
    retArray = [0,0,0]
    retArray[0] = int(valIn / 100)
    retArray[1] = int((valIn - (retArray[0] * 100)) / 10)
    retArray[2] = valIn - (retArray[0] * 100) - (retArray[1] * 10)
    return retArray

def DisplayGameOver(digits):
    number = MakeIntFromArray(digits)
    print ("OH WELL, THAT'S TWENTY GUESSES.")
    print ("MY NUMBER WAS {0}.".format(number))

def CreateTheNumber():
    digits = [0,0,0]
    digits[0] = GenerateRandomNumber(1,9,False)
    gotDigit = False
    while(gotDigit == False):
        digits[1] = GenerateRandomNumber(0,9,False)
        if(digits[1] != digits[0]):
            gotDigit = True
    gotDigit = False
    while(gotDigit == False):
        digits[2] = GenerateRandomNumber(0,9,False)
        if(digits[2] != digits[0] and digits[2] != digits[1]):
            gotDigit = True
    return digits

def CheckGuess(guess, digits):
    temp = MakeArrayFromInt(guess)
    vals = [0,0,0]
    if(temp[0] == digits[0]):
        vals[0] = 1
    if(temp[1] == digits[1]):
        vals[1] = 1
    if(temp[2] == digits[2]):
        vals[2] = 1
    if(MakeIntFromArray(vals) == 111):
        return True
    if(vals[0] == 0):
        if(temp[0] == digits[1] or temp[0] == digits[2]):
            vals[0] = 2
    if(vals[1] == 0):
        if(temp[1] == digits[0] or temp[1] == digits[2]):
            vals[1] = 2
    if(vals[2] == 0):
        if(temp[2] == digits[0] or temp[2] == digits[1]):
            vals[2] = 2
    if(MakeIntFromArray(vals) == 0):
        print("BAGELS")
    else:
        display = ""
        if(vals[0] == 1):
            display = display + "FERMI "
        if(vals[0] == 2):
            display = display + "PICO "
        if(vals[1] == 1):
            display = display + "FERMI "
        if(vals[1] == 2):
            display = display + "PICO "
        if(vals[2] == 1):
            display = display + "FERMI"
        if(vals[2] == 2):
            display = display + "PICO"
        print(display)
    return False

def Run():
    Digits = [0,0,0]
    Score = 0
    Guess = 0
    print("*** BAGELS : PYTHON ***")
    random.seed()
    Running = True
    if(AskToSeeTheRules() == True):
        DisplayRules()
    while(Running):
        Attempt = 1
        Digits = CreateTheNumber()
        print ("OK, I HAVE A NUMBER IN MIND.")
        GameOver = False
        while(not GameOver):
            Guess = AskForGuess(Attempt)
            if(CheckGuess(Guess, Digits) == True):
                print ("YOU GOT IT!!!")
                Score = Score + 1
                GameOver = True
            else:
                Attempt = Attempt + 1
                if(Attempt > 20):
                    DisplayGameOver()
                    GameOver = True
        print("*** GAME OVER ***")
        Running = AskToPlayAgain()
    print ("A {0} POINT BAGELS BUFF!".format(Score))
    print( "HOPE YOU HAD FUN. BYE!")
Run()