Just another update

Task/Monty-Hall-problem/00DESCRIPTION

@@ -5,3 +5,6 @@ Run random simulations of the [[wp:Monty_Hall_problem|Monty Hall]] game. Show th
 Note that the player may initially choose any of the three doors (not just Door 1), that the host opens a different door revealing a goat (not necessarily Door 3), and that he gives the player a second choice between the two remaining unopened doors.
 
 Simulate at least a thousand games using three doors for each strategy <u>and show the results</u> in such a way as to make it easy to compare the effects of each strategy.
+
+;Reference:
+* [https://www.youtube.com/watch?v=4Lb-6rxZxx0 Monty Hall Problem - Numberphile]. (Video).

Task/Monty-Hall-problem/Python/monty-hall-problem-2.py

@@ -0,0 +1,33 @@
+import random
+ #1 represents a car
+ #0 represent a goat
+
+stay = 0  #amount won if stay in the same position
+switch = 0 # amount won if you switch
+
+for i in range(1000):
+    lst = [1,0,0]           # one car and two goats
+    random.shuffle(lst)     # shuffles the list randomly
+
+    ran = random.randrange(3) # gets a random number for the random guess
+
+    user = lst[ran] #storing the random guess
+
+    del(lst[ran]) # deleting the random guess
+
+    huh = 0
+    for i in lst: # getting a value 0 and deleting it
+        if i ==0:
+            del(lst[huh]) # deletes a goat when it finds it
+            break
+        huh+=1
+
+    if user ==1: # if the original choice is 1 then stay adds 1
+        stay+=1
+
+    if lst[0] == 1: # if the switched value is 1 then switch adds 1
+        switch+=1
+
+print("Stay =",stay)
+print("Switch = ",switch)
+#Done by Sam Witton 09/04/2014

Task/Monty-Hall-problem/Scilab/monty-hall-problem.scilab

@@ -0,0 +1,38 @@
+//  How it works:
+//  MontyHall() is a function with argument switch:
+//  it will be called 100000 times with switch=%T,
+//  and another 100000 times with switch=%F
+
+function win=MontyHall(switch)      //If switch==%T the player will switch
+    doors=zeros(1,3)                //All goats
+    car=grand(1,1,'uin',1,3)
+    a(car)=1                        //Place a car somewher
+    pick=grand(1,1,'uin',1,3)       //The player picks...
+    if pick==car then               //If the player picks right...
+        if switch==%T then          //...and switches he will be wrong
+            win=%F
+        else                        //...but if he doesn't, he will be right
+            win=%T
+        end
+    else                            //If the player picks a goat...
+        if switch==%T then          //...and switches: the other door with the goat shall be
+            win=%T                  //   opened: the player will switch to the car and win
+        else                        //...but if he doesn't, he will remain by his goat
+            win=%F
+        end
+    end
+endfunction
+
+wins_switch=0
+wins_stay=0
+games=100000
+for i=1:games
+    if MontyHall(%T)==%T then
+        wins_switch=wins_switch+1
+    end
+    if MontyHall(%F)==%T then
+        wins_stay=wins_stay+1
+    end
+end
+disp("Switching, one wins"+ascii(10)+string(wins_switch)+" games out of "+string(games))
+disp("Staying, one wins"+ascii(10)+string(wins_stay)+" games out of "+string(games))