ticTacToeStarter.py

# Variables and Lists
# ===================
board = [
["   ", "   ", "   "], 
["   ", "   ", "   "], 
["   ", "   ", "   "]
]
playing = True

# Functions
# =========
# Name: print_gameboard
# Purpose: This function nicely prints the gameboard as a 3x3 square.
# Input: gameboard (a list of lists)
# Output: returns nothing, prints out the gameboard
def print_gameboard(gameboard):


# Name: check_winner
# Purpose: uses the gameboard to check whether or not a player has won. 
# Input: gameboard (a list of lists)
# Output: returns 'X' or 'O' if either player has won and returns ' ' if neither player has won.
def check_winner(gameboard):


# Name: check_tied
# Purpose: used to determine whether the game is tied (all 9 spaces are filled but no one has won)
# Input: gameboard (a list of lists)
# Output: returns True if there is a tie and False if there is not a tie. 
def check_tied(gameboard):


# Name: make_move
# Purpose: To fill the gameboard with the current player's move. Prompts the user by their name for a row and then for a column. Then, it places their symbol in the indicated spot on the gameboard. If an illegal spot is selected, the user will be prompted to make a new selection.
# Input: gameboard (a list of lists), name (a string representing the current player's name), symbol (a string representing their game symbol ('X' or 'O'))
# Output: returns nothing, updates the gameboard
def make_move(gameboard, name, symbol):


# The Game
# ========
# welcome the user to the tic-tac-toe game
# ask players X and O for their names
# repeat playing the game until a player wins

#Updated check_winner function description

Name: check_winner

Purpose: uses the gameboard to check whether or not a player has won.

Input: gameboard (a list of lists)

Output:

returns 3 if winner is x

returns -3 if winner is o

returns 0 if there is no winner

Example Gameboard.