closestPairProblem.py

#!/Users/Utsav/downloads/udemy python

# For using the same code in either Python 2 or 3
from __future__ import print_function

""" milestone_project_1.py: Tic Tac Toe Game """

__author__ = "Utsav Shah"
__copyright__ = "Copyright 2017, The Austin Side Project"
__credits__ = ["Hustle"]
__license__ = "UTS"
__version__ = "1.0.0"
__maintainer__ = "Utsav Shah"
__email__ = "utsavshah507@gmail.com"
__status__ = "Productive"

## Milestone Project 1

# Importing libraries
from IPython.display import clear_output

# Function to display  board
def display_board(board):
	
	clear_output()

	print('Reference Table for numbers to enter as positions: ')
	print('   |   | ')
	print(' 7 | 8 | 9 ')
	print('   |   | ')
	print('-----------')
	print('   |   | ')
	print(' 4 | 5 | 6 ')
	print('   |   | ')
	print('-----------')
	print('   |   | ')
	print(' 1 | 2 | 3 ')
	print('   |   | ')

	print('')

	print('   |   | ')
	print(' ' + board[7] + ' | ' + board[8] + ' | ' + board[9])
	print('   |   | ')
	print('-----------')
	print('   |   | ')
	print(' ' + board[4] + ' | ' + board[5] + ' | ' + board[6])
	print('   |   | ')
	print('-----------')
	print('   |   | ')
	print(' ' + board[1] + ' | ' + board[2] + ' | ' + board[3])
	print('   |   | ')

# Function to take player input
def player_input():
	
	marker = ''

	while not (marker == 'X' or marker == 'x' or marker == 'O' or marker == 'o'):
		marker = raw_input('Player 1: Do you want to be X or O?    ').upper()

	if marker == 'X':
		return('X','O')
	else:
		return('O','X')
	
# Function to place marker on desired mark
def place_marker(board, marker, position):
	board[position] = marker

# Function to check if player has won
def win_check(board, mark):	
	return ((board[1] == mark and board[2] == mark and board[3] == mark) or		# Horizontal Bottom
			(board[4] == mark and board[5] == mark and board[6] == mark) or		# Horizontal Middle
			(board[7] == mark and board[8] == mark and board[9] == mark) or		# Horizontal Top
			(board[7] == mark and board[4] == mark and board[1] == mark) or		# Vertical Left
			(board[8] == mark and board[5] == mark and board[2] == mark) or		# Vertical Middle
			(board[9] == mark and board[6] == mark and board[3] == mark) or		# Vertical Right
			(board[7] == mark and board[5] == mark and board[3] == mark) or		# Diagonal Left to Right Bottom
			(board[9] == mark and board[5] == mark and board[1] == mark))		# Diagonal Right to Left Bottom

# Function to decide which player goes first
import random
def choose_first():
	if random.randint(0,1) == 0:
		return 'Player 2'
	else:
		return 'Player 1'

# Function to check whether space on board is free
def space_check(board, position):
	return board[position] == ' '

# Function to check if entire board is full
def full_board_check(board):
	for i in range(1,10):
		if space_check(board, i):
			return False
	return True

# Function to ask player's next position (1-9) 
def player_choice(board):
	position = ' '

	while position not in '1 2 3 4 5 6 7 8 9'.split() or not space_check(board, int(position)):
		position = raw_input('Choose your next position (1 -9): ')
	return int(position)

# Function to ask players if they want to play again
def replay():
	return raw_input('Do you want to play again? Enter Yes or No: ').lower().startswith('y')

# Main part to run the game

print('Welcome to Tic Tac Toe!')

while True:

	# Reset the board
	theBoard = [' '] * 10
	player1_marker, player2_marker = player_input()
	turn = choose_first()
	print(turn + ' will go first')
	game_on = True

	while game_on:
		if turn == 'Player 1':
			# Player 1's turn

			display_board(theBoard)
			position = player_choice(theBoard)
			place_marker(theBoard, player1_marker, position)

			if win_check(theBoard, player1_marker):
				display_board(theBoard)
				print('Congratulations, PLAYER 1, you have won the game!')
				game_on = False

			else: 
				if full_board_check(theBoard):
					display_board(theBoard)
					print('The game is a draw!')
					break
				else:
					turn = 'Player 2'

		else:
			# Player 2's turn

			display_board(theBoard)
			position = player_choice(theBoard)
			place_marker(theBoard, player2_marker, position)

			if win_check(theBoard, player2_marker):
				display_board(theBoard)
				print('Congratulations, PLAYER 2, you have won the game!')
				game_on = False

			else: 
				if full_board_check(theBoard):
					display_board(theBoard)
					print('The game is a draw!')
					break
				else:
					turn = 'Player 1'
	if not replay():
		break