NE Toe

ne_toe.py

from collections import Counter
import random

def display_board(board,clearYorN):
    if clearYorN == 'Y':
        print('\n'*100)
    print(f'   |   |   \n {board[7]} | {board[8]} | {board[9]} \n___|___|___\n   |   |   \n {board[4]} | {board[5]} | {board[6]} \n___|___|___\n   |   |   \n {board[1]} | {board[2]} | {board[3]}\n   |   |   ') 

def player_input():
    
    #Default Variables
    P1 = 'WRONG'
    P2 = 'WRONG'
    
    while P1 not in ['X','O']:
        P1 = input('What marker would you like Player 1 to be (X or O)? ')
        if P1.upper() not in ['X','O']:
            print('That is not a valid response!')
        elif P1.upper() == 'X':
            print("\nGreat choice! Player 1 is going to be the X's and Player 2 is going to be O's")
            P1 = 'X'
            P2 = 'O'
        elif P1.upper() == 'O':
            print("Great choice! Player 1 is going to be the O's and Player 2 is going to be X's")
            P1 = 'O'
            P2 = 'X'
    return [P1,P2]

def place_marker(board, marker, position):
    board[position] = marker

def win_check2(board, mark):
    win_c_1 = board[7] == mark and board[8] == mark and board[9] == mark
    win_c_2 = board[4] == mark and board[5] == mark and board[6] == mark
    win_c_3 = board[1] == mark and board[2] == mark and board[3] == mark
    win_c_4 = board[7] == mark and board[5] == mark and board[3] == mark
    win_c_5 = board[1] == mark and board[5] == mark and board[9] == mark
    win_c_6 = board[7] == mark and board[4] == mark and board[1] == mark
    win_c_7 = board[8] == mark and board[5] == mark and board[2] == mark
    win_c_8 = board[9] == mark and board[6] == mark and board[3] == mark

    if win_c_1 == True or win_c_2 == True or win_c_3 == True or win_c_4 == True or win_c_5 == True or win_c_6 == True or win_c_7 == True or win_c_8 == True:
        #print(f"Congratulations {mark}'s is the winner!")
        return True

def win_check(board, mark):
    # count the board
    counter = Counter(board)

    # no need to check board with less than five marked positions
    if counter[mark] < 3:
        return
    
    winning_combos = [[1, 2, 3], [4, 5, 6], [7, 8, 9],
                      [1, 4, 7], [2, 5, 8], [3, 6, 9],
                      [1, 5, 9], [3, 5, 7]]

    mark_positions = []

    for idx, cur_mark in enumerate(board):
        if cur_mark == mark:
            mark_positions.append(idx) 

    for i in range(0, len(mark_positions)-2):
        # check for winning combos
        if mark_positions[i:i+3] in winning_combos:
            return True

def choose_first():
    
    if random.randint(0,1) == 0:
        return "Player 1 goes first"
    else:
        return "Player 2 goes first"

def space_check(board, position):
    
    return board[position] in ['X','O']

def full_board_check(board):
    lstcnt = 0
    for item in board:
        if item in ['X','O']:
            lstcnt += 1
    
    return lstcnt == 9

def player_choice(board, marker):
    position = "invalid"
    while position.isdigit() == False:
        userinput = input(f"{marker}!, Where would you like your next position to be? Enter (1-9): ")
        if userinput.isdigit() == True and int(userinput) in range(1,10):
            if space_check(board,int(userinput)) == True:
                print(f"Sorry, but position '{userinput}' is taken!")
                position = "invalid"
            else:
                position = userinput
                return int(position)
        else:
            print("That is an invalid selection: ")

def replay():
    userinput = input("\nWould either of you like to play again? Enter (Y or N): ")
    while userinput.upper() not in ['Y','N']:
        userinput = input("\nSorry, I don't understand your answer. Would either of you like to play again? Enter (Y or N): ")
    if userinput.upper() == 'Y':
        print("\nSounds Great!, let's get this game rolling")
        return True
    else:
        print("\nThanks for playing!")
        return False       

def replay():
    userinput = input("\nWould either of you like to play again? Enter (Y or N): ")
    while userinput.upper() not in ['Y','N']:
        userinput = input("\nSorry, I don't understand your answer. Would either of you like to play again? Enter (Y or N): ")
    if userinput.upper() == 'Y':
        print("\nSounds Great!, let's get this game rolling")
        return True
    else:
        print("\nThanks for playing!")
        return False  

print('Welcome to Tic Tac Toe!')
board = ['#',' ',' ',' ',' ',' ',' ',' ',' ',' ']

p1marker, p2marker = player_input()
game_on = True
if choose_first() == "\nPlayer 1 goes first":
    print("Player 1 goes first")
    first_player = p1marker
    second_player = p2marker
else:
    print("\nPlayer 2 goes first")
    first_player = p2marker
    second_player = p1marker    
display_board(board,'N')

playerlist = [first_player,second_player]

while game_on == True:
    for player in playerlist:
        if game_on == False:
            break
        position = player_choice(board, player)
        place_marker(board,player,position)
        display_board(board,'Y')
        if win_check(board, player) == True:
            print(f"Congratulations {player} is the winner!")
            if replay() == True:
                board = ['#',' ',' ',' ',' ',' ',' ',' ',' ',' ']
                display_board(board,'Y')
            else:
                game_on = False
                break
        if full_board_check(board) == True:
            print(f"Sorry, there is no winner this game!")
            if replay() == True:
                board = ['#',' ',' ',' ',' ',' ',' ',' ',' ',' ']
                display_board(board,'Y')
            else:
                game_on = False
                break