From 2d0edd179898f0b28ee73a57e60f3c3519d2cdcc Mon Sep 17 00:00:00 2001
From: kated <nobody@makingwithcode.org>
Date: Mon, 1 Jun 2026 10:55:36 -0400
Subject: [PATCH] wrote the function check_winner in game.py so that the game
 can check whether player X or player O scoring three-in-a-row in any possible
 arrangement is true (which would lead to that player winning)

---
 .envrc      |  1 +
 notes.md    |  8 ++++++++
 poetry.lock | 34 ++++++++++++++++++++++++++++++++++
 ttt/game.py |  7 +++++++
 4 files changed, 50 insertions(+)
 create mode 100644 .envrc
 create mode 100644 poetry.lock

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..4a96c22
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+source .venv/bin/activate
\ No newline at end of file
diff --git a/notes.md b/notes.md
index 67cc9f6..9d406a0 100644
--- a/notes.md
+++ b/notes.md
@@ -7,12 +7,20 @@ For each, explain how the behavior is accomplished.
 
 ### Checking to see whether the game is over
 
+TTTGame has a method called is_over which checks if either the board is full, player x won, or player o won is true.
+
 ### Determining which actions are available at a particular state
 
+TTTGame has a method called get_actions which returns a list of numbers of the empty spaces that a player could choose in their next turn
+
 ### Showing the board
 
+TTTView has a method print_board which prints the board with its currently available spaces
+
 ### Choosing which action to play on a turn
 
+TTTView has a method get_action which shows the board and asks the current player for which number box they want to choose (in which that player must type in the number of their choice)
+
 
 ## Checkpoint 2 Notes
 
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..03bfb49
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,34 @@
+# This file is automatically @generated by Poetry 2.3.1 and should not be changed by hand.
+
+[[package]]
+name = "click"
+version = "8.3.1"
+description = "Composable command line interface toolkit"
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+files = [
+    {file = "click-8.3.1-py3-none-any.whl", hash = "sha256:981153a64e25f12d547d3426c367a4857371575ee7ad18df2a6183ab0545b2a6"},
+    {file = "click-8.3.1.tar.gz", hash = "sha256:12ff4785d337a1bb490bb7e9c2b1ee5da3112e94a8622f26a6c77f5d2fc6842a"},
+]
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
+[[package]]
+name = "colorama"
+version = "0.4.6"
+description = "Cross-platform colored terminal text."
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["main"]
+markers = "platform_system == \"Windows\""
+files = [
+    {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
+    {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
+]
+
+[metadata]
+lock-version = "2.1"
+python-versions = ">=3.10,<4.0"
+content-hash = "0272075b8c7e01c3558d126d3efff1c07b71bcde638baf2353e2f48fa2bf5db5"
diff --git a/ttt/game.py b/ttt/game.py
index 2f0e302..7fb565f 100644
--- a/ttt/game.py
+++ b/ttt/game.py
@@ -58,4 +58,11 @@ class TTTGame:
 
     def check_winner(self, state, symbol):
         "Checks whether the player with `symbol` has won the game."
+        winning_combos = [(0, 1, 2), (3, 4, 5), (6, 7, 8), (0, 3, 6), (1, 4, 7), (2, 5, 8), (0, 4, 8), (2, 4, 6)]
+        for combo in winning_combos:
+            #The syntax for refering to an element in the boards state is state["board"][index#] - in our case, our index# is the first item in the combo we are looking at for this iteration.
+            if state["board"][combo[0]] == symbol:
+                #check if the elements in the position on the board for each position in this combination are all equal to eachother 
+                if state["board"][combo[0]] == state["board"][combo[1]] and state["board"][combo[0]] == state["board"][combo[2]]:
+                    return True
         return False