python problem

#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ @author: """ import random import ps2 VOWELS = 'aeiou' CONSONANTS = 'bcdfghjklmnpqrstvwxyz' HAND_SIZE = 7 SCRABBLE_LETTER_VALUES = { 'a': 1, 'b': 3, 'c': 3, 'd': 2, 'e': 1, 'f': 4, 'g': 2, 'h': 4, 'i': 1, 'j': 8, 'k': 5, 'l': 1, 'm': 3, 'n': 1, 'o': 1, 'p': 3, 'q': 10, 'r': 1, 's': 1, 't': 1, 'u': 1, 'v': 4, 'w': 4, 'x': 8, 'y': 4, 'z': 10 } # ----------------------------------- # Helper code # (you don't need to understand this helper code) WORDLIST_FILENAME = "words.txt" word_list = ps2.load_words() def calculate_handlen(hand): """ Returns the length (number of letters) in the current hand. hand: dictionary (string-> int) returns: integer """ handlen = 0 for v in hand.values(): handlen += v return handlen def hand_to_list(hand): """ Helper Function transfer current hand to a list, so we can use random.sample() """ ls=[] for letter in hand.keys(): #iterate letter key value times for j in range(hand[letter]): ls=ls+[letter] #create a list of letters return ls # PROBLEM 1a def choose_word(hand, N=100): """ choose best word for current hand by N simulations, then calculate its score if can't find a word return none and score=0 """ bestscore = 0 bestword = None # IMPLEMENT ME return bestword, bestscore # PROBLEM 1b def play_mc_hand(hand, N=100): """ repeat choose best word process, find best word and score for currrent hand until game ends return total score and words found in a list """ handscore=0 # Score for the hand wordls=[] # List of words in order played # IMPLEMENT ME return wordls, handscore # PROBLEM 1d def play_n_mc_hand(hand, N, n): """ Simulated n hands generating N candidate words for each round. Return two lists: a nested list of hands(each itself is a list) played and a list of scores. """ #create two empty lists mc_hands = [] mc_scores = [] # IMPLEMENT ME return (mc_hands, mc_scores) # PROBLEM 1c def play_hand(hand, word_list): """ Allows the user to play the given hand, as follows: * The hand is displayed. * The user may input a word. * When any word is entered (valid or invalid), it uses up letters from the hand. * An invalid word is rejected, and a message is displayed asking the user to choose another word. * After every valid word: the score for that word is displayed, the remaining letters in the hand are displayed, and the user is asked to input another word. * The sum of the word scores is displayed when the hand finishes. * The hand finishes when there are no more unused letters. The user can also finish playing the hand by inputing two exclamation points (the string '!!') instead of a word. hand: dictionary (string -> int) word_list: list of lowercase strings returns: the total score for the hand """ # Keep track of the total score totalscore = 0 # As long as there are still letters left in the hand: handlen = calculate_handlen(hand) while handlen > 0: # Display the hand ps2.display_hand(hand) # Ask user for input word = input('Enter a word: ') """ add choose_word() option when input is "?" """ # If the input is two exclamation points: if word == '!!': # End the game (break out of the loop) break elif word == '?': # IMPLEMENT ME pass # Otherwise (the input is not two exclamation points): else: # If the word is valid: if ps2.is_valid_word(word, hand, word_list): # Tell the user how many points the word earned, # and the updated total score handscore = ps2.get_word_score(word, handlen) print('You earned {} points.'.format(handscore)) totalscore += handscore # Otherwise (the word is not valid): else: # Reject invalid word (print a message) print('Invalid word') # update the user's hand by removing the letters of their inputted word hand = ps2.update_hand(hand, word) handlen = calculate_handlen(hand) # Game is over (user entered '!!' or ran out of letters), # so tell user the total score print('Total score is {}.'.format(totalscore)) # Return the total score as result of function return totalscore # # Build data structures used for entire session and play game # Do not remove the "if __name__ == '__main__':" line - this code is executed # when the program is run directly, instead of through an import statement # if __name__ == '__main__': # Generate a (reproducible) hand word_list = ps2.load_words() random.seed(1) hand = ps2.deal_hand(15) # Set the number of MC samples N=100 # Choose a word from the hand print(choose_word(hand, N)) # Play the hand using MC c=play_mc_hand(hand, N) print(c) # Play n MC hands n=50 (mc_hands, mc_scores) = play_n_mc_hand(hand, N, n) print(mc_hands) print(mc_scores) # Play the hand manually with help play_hand(hand, word_list)