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ps4b.py
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from ps4a import *
import time
#
#
# Computer chooses a word
#
#
def compChooseWord(hand, wordList, n):
"""
Given a hand and a wordList, find the word that gives
the maximum value score, and return it.
This word should be calculated by considering all the words
in the wordList.
If no words in the wordList can be made from the hand, return None.
hand: dictionary (string -> int)
wordList: list (string)
n: integer (HAND_SIZE; i.e., hand size required for additional points)
returns: string or None
"""
# Create a new variable to store the maximum score seen so far (initially 0)
bestScore = 0
# Create a new variable to store the best word seen so far (initially None)
bestWord = None
# For each word in the wordList
for word in wordList:
# If you can construct the word from your hand
if isValidWord(word, hand, wordList):
# find out how much making that word is worth
score = getWordScore(word, n)
# If the score for that word is higher than your best score
if (score > bestScore):
# update your best score, and best word accordingly
bestScore = score
bestWord = word
# return the best word you found.
return bestWord
#
# Computer plays a hand
#
def compPlayHand(hand, wordList, n):
"""
Allows the computer to play the given hand, following the same procedure
as playHand, except instead of the user choosing a word, the computer
chooses it.
1) The hand is displayed.
2) The computer chooses a word.
3) After every valid word: the word and the score for that word is
displayed, the remaining letters in the hand are displayed, and the
computer chooses another word.
4) The sum of the word scores is displayed when the hand finishes.
5) The hand finishes when the computer has exhausted its possible
choices (i.e. compChooseWord returns None).
hand: dictionary (string -> int)
wordList: list (string)
n: integer (HAND_SIZE; i.e., hand size required for additional points)
"""
# Keep track of the total score
totalScore = 0
# As long as there are still letters left in the hand:
while (calculateHandlen(hand) > 0) :
# Display the hand
print("Current Hand: ", end=' ')
displayHand(hand)
# computer's word
word = compChooseWord(hand, wordList, n)
# If the input is a single period:
if word == None:
# End the game (break out of the loop)
break
# Otherwise (the input is not a single period):
else :
# If the word is not valid:
if (not isValidWord(word, hand, wordList)) :
print('This is a terrible error! I need to check my own code!')
break
# Otherwise (the word is valid):
else :
# Tell the user how many points the word earned, and the updated total score
score = getWordScore(word, n)
totalScore += score
print('"' + word + '" earned ' + str(score) + ' points. Total: ' + str(totalScore) + ' points')
# Update hand and show the updated hand to the user
hand = updateHand(hand, word)
print()
# Game is over (user entered a '.' or ran out of letters), so tell user the total score
print('Total score: ' + str(totalScore) + ' points.')
#
# Problem #6: Playing a game
#
#
def playGame(wordList):
"""
Allow the user to play an arbitrary number of hands.
1) Asks the user to input 'n' or 'r' or 'e'.
* If the user inputs 'e', immediately exit the game.
* If the user inputs anything that's not 'n', 'r', or 'e', keep asking them again.
2) Asks the user to input a 'u' or a 'c'.
* If the user inputs anything that's not 'c' or 'u', keep asking them again.
3) Switch functionality based on the above choices:
* If the user inputted 'n', play a new (random) hand.
* Else, if the user inputted 'r', play the last hand again.
* If the user inputted 'u', let the user play the game
with the selected hand, using playHand.
* If the user inputted 'c', let the computer play the
game with the selected hand, using compPlayHand.
4) After the computer or user has played the hand, repeat from step 1
wordList: list (string)
"""
hand = {}
while True:
user_input = input("Enter n to deal a new hand, r to replay the last hand, or e to end game: ")
print()
if user_input == "n":
hand = dealHand(HAND_SIZE)
while True:
game_play = input("Enter u to have yourself play, c to have the computer play: ")
if game_play == "u":
playHand(hand, wordList, HAND_SIZE)
break
elif game_play == "c":
compPlayHand(hand, wordList, HAND_SIZE)
break
else:
print("Invalid command.")
elif user_input == "r":
if len(hand) == 0:
print("You have not played a hand yet. Please play a new hand first!")
else:
while True:
game_play = input("Enter u to have yourself play, c to have the computer play: ")
if game_play == "u":
playHand(hand, wordList, HAND_SIZE)
break
elif game_play == "c":
compPlayHand(hand, wordList, HAND_SIZE)
break
else:
print("Invalid command.")
elif user_input == "e":
break
else:
print("Invalid command.")
#
# Build data structures used for entire session and play game
#
if __name__ == '__main__':
wordList = loadWords()
playGame(wordList)