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Word game-computer player
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Word game-computer player
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from ps4a import *
import time
#
#
# Problem #6: 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
"""
# BEGIN PSEUDOCODE <-- Remove this comment when you code this function; do your coding within the pseudocode (leaving those comments in-place!)
# Create a new variable to store the maximum score seen so far (initially 0)
max_score=0
# Create a new variable to store the best word seen so far (initially None)
best_word=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) is True:
# (hint: you can use isValidWord, or - since you don't really need to test if the word is in the wordList - you can make a similar function that omits that test)
score=getWordScore(word, n)
# Find out how much making that word is worth
if max_score<score:
# If the score for that word is higher than your best score
max_score=score
best_word=word
# Update your best score, and best word accordingly
# return the best word you found.
return best_word
#
# Problem #7: 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)
"""
# TO DO ... <-- Remove this comment when you code this function
total_score=0
while calculateHandlen(hand) > 0:
# Display the hand
print 'Current Hand: ',
displayHand(hand)
# Ask user for input
word=compChooseWord(hand, wordList, n)
# If the input is a single period:
if word==None:
break
# Otherwise (the input is not a single period):
else:
getWordScore(word, n)
total_score=total_score+getWordScore(word, n)
print '"%s" earned %s points. Total: %s points. '%(word, getWordScore(word, n), total_score),
print ""
# Update the hand
hand=updateHand(hand, word)
print 'Total score: %s points.'%(total_score)
#
# Problem #8: 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)
"""
n=HAND_SIZE
lasthand={}
user_input=raw_input('Enter n to deal a new hand, r to replay the last hand, or e to end game: ')
print
while user_input !='e':
if user_input =='n':
lasthand=dealHand(n)
while True:
user_input2=raw_input('Enter u to have yourself play, c to have the computer play: ')
if user_input2=='u':
playHand(lasthand, wordList,n)
break
elif user_input2=='c':
compPlayHand(lasthand, wordList, n)
break
else:
print 'Invalid command.'
print
elif user_input=='r':
if len(lasthand)>0:
while True:
user_input2=raw_input('Enter u to have yourself play, c to have the computer play: ')
if user_input2=='u':
playHand(lasthand, wordList,n)
break
elif user_input2=='c':
compPlayHand(lasthand, wordList, n)
break
else:
print 'Invalid command.'
print
else:
print "You have not played a hand yet. Please play a new hand first!"
else:
print 'Invalid command.'
user_input=raw_input('Enter n to deal a new hand, r to replay the last hand, or e to end game: ')
print
if user_input =='e':
return None
#
# Build data structures used for entire session and play game
#
if __name__ == '__main__':
wordList = loadWords()
playGame(wordList)