anonymous
  • anonymous
Ex 2.6-The game of Nims/Stones. Could someone please show me how they did this one. I just can't figure it all out..
MIT 6.189 A Gentle Introduction to Programming Using Python (OCW)
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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andrew.m.higgs
  • andrew.m.higgs
Hi Peter Check other messages. There was a thread sharing their nims code. At least 3 people did submit working examples. Hope this helps.
anonymous
  • anonymous
Found it, thanks. Typical, i'd not completed the while loops with the if else statements!
anonymous
  • anonymous
Clear objectives can aid in programming. The game function objectives are: there are n stones.(variable n is initiated) there are k players, (k>2) (constant k is initiated) players take turns.(there will be function take takes (k) to rotate turns) players take 1/2/3/4/5 stones in one turn.(expect input from player to change n) players play until there is a winner. (while loop until a condition) player to take last stones win.(if-else condition, n==0 to break loop)

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anonymous
  • anonymous
I used a while loop for each player, both inside a bigger while loop. But i got mixed up with the logic flow and wasn't getting the ordering quite right! Thanks to looking at others programs i tidied the ends of the loops OK ! I've deliberately held myself back quite a bit, practicing different loops! (I instinctively found 'if, elif, else' , and working with string slices quite easy...But not loops!)
anonymous
  • anonymous
lol yeah, it's tough to understand them, but a general rule is to avoid loops unless you really need to go through the process repetitively. It took me sometime to remember a loop always need a breaking statement. Good luck with your other projects!
anonymous
  • anonymous
Cheers for the tip! :0)
anonymous
  • anonymous
def ask(numStones, num, player): ques = False while ques == False: if player == 1: ans = input("Player1 enter number of stones to take from pile. ") if ans >= 1 and ans <= num: ques = True else:continue if ans > numStones: return numStones else: ans = input("Player2 enter number of stones to take from pile. ") if ans >= 1 and ans <= num: ques = True else:continue if ans > numStones: return numStones return numStones - ans def play_nims(pile, max_stones): ''' An interactive two-person game; also known as Stones. @param pile: the number of stones in the pile to start @param max_stones: the maximum number of stones you can take on one turn ''' while pile != 0: while True: pile = ask(pile, max_stones, 1) if pile == 0: print "player1 WINS!" break pile = ask(pile, max_stones, 2) if pile == 0: print "player2 WINS!" break else:continue def play(): print "This is the game of stones. It is a 2 person game." print while True: reply = raw_input("Please enter an N for a new game or a . to exit the game. ") print if reply == 'N' or reply == 'n': reply1 = input("Please enter the number of stones to put in the pile. ") reply2 = input("Please enter the maximum number of stones to remove during a turn. ") print play_nims(reply1, reply2) continue else: break
anonymous
  • anonymous
A lot more comprehensive than mine!...Well done!

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