probabilty done

exercises/1-monty-hall-problem/README.md

@@ -1,5 +1,10 @@
 50/50 for ever door all the time!
 
+[ total/ wins ]
+switched [98179, 65319] not switched [97686, 32587] total [195865, 97906]
+switched 66.53052078346693 % not switched 33.35892553692443 % all 49.98647027289204 %
+
+
 The Monty Hall Problem
 ======================
 

exercises/1-monty-hall-problem/controller.py

@@ -46,7 +46,7 @@ class Controller:
 		if do == 'n':
 			exit()
 
-		self.start()
+		return self.start()
 		return True
 
 Controller()

exercises/1-monty-hall-problem/loop.sh

@@ -0,0 +1,4 @@
+for (( c=1; c<=100000; c++ ))
+do
+   python3 controller.py
+done

exercises/1-monty-hall-problem/models.py

@@ -18,6 +18,7 @@ class Doors:
 
         if self.selected == self.car:
             logDB( self.name, self.switch, True)
+            
             return True
         else:
             logDB( self.name, self.switch, False)

exercises/1-monty-hall-problem/stats.py

@@ -0,0 +1,28 @@
+import sqlite3
+
+conn = sqlite3.connect('default.db')
+
+c  = conn.cursor()
+
+switched = [ 0, 0 ]
+no_swich = [ 0, 0 ]
+total = [ 0, 0 ]
+c.execute( "SELECT * FROM games " )
+result = c.fetchall()
+for i in result:
+	if int( i[ 2 ] ) == 1:
+		# switched
+		switched[0] += 1
+		switched[1] += int( i[3] )
+	else:
+		# not switched
+		no_swich[0] += 1
+		no_swich[1] += int( i[3] )
+
+	total[0] += 1
+	total[1] += int( i[3] )
+conn.commit()
+c.close()
+
+print( "switched", switched, "not switched", no_swich, "total", total)
+print( 'switched', ( switched[1]/switched[0] )*100, "% not switched", ( no_swich[1]/no_swich[0] )*100, "% all", ( total[1]/total[0] )*100, "%" )

exercises/1-monty-hall-problem/views.py

@@ -1,24 +1,21 @@
+import random
+
+
 class View:
     def __init__( self ):
-        print( "Welcome to the Monty Hall Problem!")
+        pass
         
     def get_name( self ):
-        return input( "Please enter your name: " )
+        return "computer"
 
     def display_doors( self ):
-        print( 'Doors: [ 1 ] [ 2 ] [ 3 ]' )
+        return random.randint( 1,3 )
-        return input( 'Select door: ' )
 
     def host_twist( self, message ):
-        print( "The host will revel where one goat is..." )
+        return bool(random.getrandbits(1))
-        print( message )
-        print( "Would you like to change your selection? [n/y]" )
-        return input( "[no]: ")
 
     def winner( self ):
-        print( "You WIN!!!" )
+        return ''
-        return input("Play again?[y]")
 
     def loser( self ):
-        print( "You Lose!!!" )
+        return 'n'
-        return input("Play again?[y]")

exercises/2-bank-software/bank_models.py

@@ -1 +1,25 @@
 import sqlite3
+import hashlib
+
+class db:
+    def __init__():
+        pass
+        def create_user( self, name, pin, permission ):
+            conn = sqlite3.connect(self.db_name)
+            c  = conn.cursor()
+
+            c.execute( "SELECT * FROM user WHERE name LIKE (?)", (name) )
+            result = c.fetchall()
+
+            if len(result) == 0:
+                pin = hashlib.md5( pin )
+                c.execute( "INSERT INTO user ( name, pin, permission ) VALUES ( ?, ? )", ( name, pin.hexdigest(), permission ) )
+
+                conn.commit()
+                c.close()
+                return True
+
+            else:
+                conn.commit()
+                c.close()
+                return False

exercises/2-bank-software/bank_views.py

@@ -0,0 +1,294 @@
+import time
+import random
+
+class View:
+    def __init__( self, screen, curses ):
+
+        self.showDev = False
+        self.userName = None
+
+        self.curses = curses
+        # start the curses instance
+        self.screen = screen
+
+        # configure the whole screen
+
+        # set border for main screen
+        self.screen.border(0)
+        # hide KB input
+        self.curses.noecho()
+
+        self.curses.curs_set(0)
+
+        # idk, i have to look it up
+        self.screen.keypad(1)
+
+        # draw the main screen
+        self.screen.refresh()
+
+        # setup the header window
+        self.header = self.curses.newwin( 4, 35, 2, 3 )
+        self.header.border(0)
+
+        # setup the right header window
+        self.header_right = self.curses.newwin( 4, 35, 2, 38 )
+        self.header_right.border(0)
+        self.header_right.refresh()
+
+        # setup the body window
+        self.body = self.curses.newwin( 15, 50, 6 , 3)
+        # self.body.border(0)
+
+        # side bar
+        self.side_bar = self.curses.newwin( 15, 20, 6 , 53)
+        self.side_bar.border(0)
+
+        # dev console
+        self.dev = self.curses.newwin( 50, 70, 17 , 3)
+        self.dev.border(0)
+
+        #############################################
+
+        self.header_right.addstr( 1, 20, "Not logged in")
+        self.header_right.refresh()
+
+    def menu( self, sidebar=True ):
+        #listen for keyboard input
+
+        # hide KB input
+        self.curses.noecho()
+
+        if sidebar:
+            array = []
+
+            # check if there is a logged in user
+            if self.userName:
+                array.extend( [ "l log out", "p play" ] )
+            else:
+                array.extend( [ "l login", "n new user" ] )
+
+            #append things that are all ways in menu 
+            array.extend( [ "", "c cedits", "Q Quit" ] )
+
+            # trigger side bar update
+            self.update_side_bar( array )
+
+        # loop to listen for user input
+        while True:
+
+            event = self.screen.getch()
+
+            # check if user is logged in
+            if self.userName:
+                if event == ord( "p" ) or event == ord( "P" ):
+                    return { '_return_to': 'new_round' }
+
+                if event == ord( "h" ) or event == ord( "H" ):
+                    return { '_return_to': 'home' }
+
+                if event == ord( "l" ) or event == ord( "L" ):
+                    return { '_return_to': 'logOut' }
+            else:
+                if event == ord( "n" ) or event == ord( "N" ):
+                    return { '_next': 'sign_up' }
+
+                if event == ord( "l" ) or event == ord( "L" ):
+                    return { '_next': 'login' }
+
+            
+            # all ways
+            if event == ord( "c" ) or event == ord( "C" ):
+                return { '_next': 'about' }
+
+            if event == ord( "q" ) or event == ord( "Q" ):
+                # needs work...
+                self.curses.endwin()
+                exit()
+            else:
+                self.side_bar.addstr( 12, 2, "invalid choice." )
+                # draw the body
+                self.curses.flash()
+                self.side_bar.refresh()
+
+    def welcome( self, message=False ):
+
+        # write the header up
+        self.header.addstr( 1, 2, "Welcome to the RPN game!" )
+        #draw the header
+        self.header.addstr( 2, 2, "Go bears!" )
+        if self.showDev:
+            self.header.addstr( 2, 12, "-dev" )
+
+        self.header.refresh()
+
+        # short pause
+        time.sleep(.5)
+
+        self.body.clear()
+        self.body.refresh()
+
+        # write the body
+        self.body.addstr( 1, 3, "c cedits" )
+        self.body.addstr( 3, 3, "l login" )
+        self.body.addstr( 4, 3, "n new user" )
+        self.body.addstr( 6, 3, "Q Quit" )
+
+        # draw the body
+        self.body.refresh()
+
+        #listen for keyboard input
+        return self.menu()
+
+    def sign_up( self, message=False ):
+
+        # remove old body content
+        self.body.clear()
+
+        # allow user to see KB input
+        self.curses.echo()
+
+        # remove old content
+        self.side_bar.clear()
+        self.side_bar.refresh()
+
+        # write to body
+        self.body.addstr(2, 2, "Pick a new user name and pin:" )
+        # draw body
+        self.body.refresh()
+
+        # show error message
+        if message:
+            self.body.addstr( 7, 2, message )
+            self.body.refresh()
+
+        # ask for user name
+        self.body.addstr(3, 2, "user Name:" )
+        name = self.body.getstr(4, 2, 60)
+
+        self.body.addstr(5, 2, "Pin:" )
+        #self.body.refresh()
+        password = self.body.getstr(6, 2, 60)
+
+        return( { 'name':name, 'password':password, '_return_to': 'sign_up' } )
+
+    def login( self, message=False ):
+    
+        # remove old body content
+        self.body.clear()
+
+        # remove old content
+        self.side_bar.clear()
+        self.side_bar.refresh()
+
+        # allow user to see KB input
+        self.curses.echo()
+
+        if message:
+            self.curses.flash()
+            self.body.addstr( 7, 2, message )
+            self.body.refresh()
+
+        self.body.addstr(2, 2, "Please log in with your user name and pin:" )
+
+        self.body.addstr(3, 2, "user Name:" )
+        name = self.body.getstr(4, 2, 60)
+        self.body.addstr(5, 2, "Pin:" )
+
+        self.body.refresh()
+        password = self.body.getstr(6, 2, 60)
+
+        # if error message
+
+        return( { 'name':name, 'password':password, '_return_to': 'login' } )
+
+    def update_side_bar( self, array ):
+
+        # remove old content
+        self.side_bar.clear()
+        self.side_bar.border(0)
+        left = 3
+        count = 1
+        for i in array:
+            self.side_bar.addstr( count, left, str(i) )
+            count += 1
+        # draw new content
+        self.side_bar.refresh()
+
+    def update_user( self, array ):
+        self.userName = array[0]
+        if not self.userName:
+            display = "Please log in"
+        else:
+            display = array[0]
+        # remove old content
+        self.header_right.clear()
+        self.header_right.border(0)
+
+        left = 33 - len( display )
+
+        self.header_right.addstr( 1, left, display )
+        # draw new content
+        self.header_right.refresh()
+
+    def about( self, message=False ):
+        # remove old body content
+        self.body.clear()
+        self.body.border(0)
+
+        self.side_bar.clear()
+        self.side_bar.refresh()
+
+        array = [
+            {
+                'name': "William Mantly", 
+                'email': "wmantly@gmail.com", 
+                'desc': "Designed and implemented the UI."
+            },{
+                'name': "Benjamin Himley", 
+                'email': "benjaminhimley85@gmail.com", 
+                'desc': "wrote rpn generator and controller,",
+                'desc2': "bugfix assit"
+            },{
+                'name': "Adolfo Reyes", 
+                'email': "adolfo0620@gmail.com", 
+                'desc': "bug hunter"
+            },{
+                'name': "Brendan Gilroy", 
+                'email': "BDGilroy@gmail.com"
+            }
+        ]
+
+        random.shuffle(array)
+
+        line = 2
+        for i in array:
+            self.body.addstr( line, 2, i['name'] + ' - ' + i['email'] )
+            if 'desc' in i:
+                line += 1
+                self.body.addstr( line, 2, i['desc'] )
+            if 'desc2' in i:
+                line += 1
+                self.body.addstr( line, 2, i['desc2'] )
+            line += 2
+            self.body.refresh()
+            time.sleep(1)
+
+        return self.menu()
+
+    def devConsole( self, message, sleep=2 ):
+        # side bar
+        if not self.showDev: return False
+
+        self.dev.clear()
+        self.dev.border(0)
+        
+        count = 0
+        for i in message:
+            count += 1
+            self.dev.addstr( count, 2, i )
+            print( i )
+
+        self.dev.refresh()
+        time.sleep( sleep )
+
+##testing

exercises/2-bank-software/create_db.py

@@ -1 +1,41 @@
 import sqlite3
+
+def create_db():
+    conn = sqlite3.connect('bank.db')
+    c = conn.cursor()
+    c.execute("DROP TABLE IF EXISTS 'user'")
+    c.execute("DROP TABLE IF EXISTS 'accounts'")
+    c.execute("DROP TABLE IF EXISTS 'transactions'")
+    c.execute("""
+CREATE TABLE users (
+id INTEGER DEFAULT NULL PRIMARY KEY AUTOINCREMENT,
+name TEXT DEFAULT NULL,
+created TEXT DEFAULT NULL,
+permission TEXT DEFAULT NULL
+);
+    """)
+    c.execute("""
+CREATE TABLE accounts (
+id INTEGER DEFAULT NULL PRIMARY KEY AUTOINCREMENT,
+user_id INTEGER DEFAULT NULL REFERENCES users (id),
+balance TEXT DEFAULT NULL,
+name TEXT DEFAULT NULL,
+opened TEXT DEFAULT NULL
+);
+    """)
+    c.execute("""
+CREATE TABLE transactions (
+id INTEGER DEFAULT NULL PRIMARY KEY AUTOINCREMENT,
+outgoing_id INTEGER DEFAULT NULL REFERENCES accounts (id),
+incoming_id INTEGER DEFAULT NULL REFERENCES accounts (id),
+type TEXT DEFAULT NULL,
+amount TEXT DEFAULT NULL,
+date TEXT DEFAULT NULL,
+new field TEXT DEFAULT NULL
+);
+""")
+
+    conn.commit()
+    c.close()
+    
+create_db()