bagels.py

import random
import pyinputplus as pyip

NUM_DIGITS = 3
MAX_GUESS = 10

def getSecretNum():
    # Returns a string of unique random digits that is NUM_DIGITS long.
    numbers = list(range(10))
    random.shuffle(numbers)
    secretNum = ''
    for i in range(NUM_DIGITS):
        secretNum += str(numbers[i])
    return secretNum

def getClues(guess, secretNum):
    # Returns a string with the Pico, Fermi, and Bagels clues to the user.
    if guess == secretNum:
        return 'You got it!'
    
    clues = []
    for i in range(len(guess)):
        if guess[i] == secretNum[i]:
            clues.append('Fermi')
        elif guess[i] in secretNum:
            clues.append('Pico')
    if len(clues) == 0:
        return 'Bagels'
    
    clues.sort()
    return ' '.join(clues)

def isOnlyDigits(num):
    # Returns True if num is a string of only digits. Otherwise returns False.
    if num == '':
        return False
    for i in num:
        if i not in '0 1 2 3 4 5 6 7 8 9'.split():
            return False  
    return True

print('I am thinking of a %s-digit number. Each digit is unique. Try to guess what it is.' %(NUM_DIGITS))
print('The clues I give are...')
print('When I say:    That means:')
print('  Bagles       None of the digits is correct.')
print('  Pico         One digit is correct but in the wrong position.')
print('  Fermi        One digit is correct and in the right position.')

while True:
    secretNum = getSecretNum()
    print('I have thought up a number. You have %s guesses to get it.' % (MAX_GUESS))
    
    guessesTaken = 1
    while guessesTaken <= MAX_GUESS:
        guess = ''
        while len(guess) != NUM_DIGITS or not isOnlyDigits(guess):
            print('Guess #%s: ' % (guessesTaken))
            guess = input()

        print(getClues(guess, secretNum))
        guessesTaken += 1

        if guess == secretNum:
            break
        if guessesTaken > MAX_GUESS:
            print('You ran out of guesses. The answer was %s.' % (secretNum))

    if pyip.inputYesNo('Do you want to play again? (yes or no): ') == 'no':
        break


    # print('Do you want to play again? (yes or no)')
    # if not input().lower().startswith('y'):
    #     break