Tic-Tac-Toe Game

🎮 Description

The Tic-Tac-Toe Game is a command-line implementation of the classic two-player game. Players take turns placing their marks (X or O) on a 3x3 grid. The first player to align three of their marks horizontally, vertically, or diagonally wins the game. If all nine squares are filled without a winner, the game ends in a draw.

🧰 Key Concepts Covered

Data Structures (lists, dictionaries)
Functions and Modular Code
Control Flow (loops, conditionals)
User Input and Output
Game Logic Implementation

🚀 How to Play the Tic-Tac-Toe Game

Prerequisites

Python 3.x installed on your machine.
Access to a command-line interface (CLI) or terminal.

Steps

Navigate to the project directory:
```
cd tic_tac_toe
```

Run the game: bash Copy code python main.py Follow the on-screen instructions to play the game. 📖 Gameplay Instructions

The game is played on a 3x3 grid numbered from 1 to 9: markdown Copy code 1 | 2 | 3

4 | 5 | 6

7 | 8 | 9 Player 1 is assigned the mark X, and Player 2 is assigned the mark O. Players take turns entering the number corresponding to the cell where they want to place their mark. The game checks for a winner after each move. If all cells are filled without a winner, the game ends in a draw. Example Output: markdown Copy code Welcome to Tic-Tac-Toe!

Player 1 (X) - Player 2 (O)

Current Board: | |

| |

| |

Player 1, choose your move (1-9): 5

Current Board: | |

| X |

| |

Player 2, choose your move (1-9): 1

Current Board: O | |

| X |

| |

... (game continues)

Player 1 wins! Congratulations! 🛠️ Code Overview

The application is structured with functions to handle different parts of the game:

display_board(board): Displays the current state of the game board. player_input(player, board): Handles input from the current player. check_win(board, mark): Checks if a player has won. check_draw(board): Checks if the game is a draw. main(): Manages the game loop and overall flow. Modules Used No external modules are required. 🤝 Contributing

Contributions are welcome! If you have ideas to enhance this Tic-Tac-Toe game, feel free to fork the repository and submit a pull request.

📧 Contact

If you have any questions or suggestions, feel free to reach out by creating an issue in the repository.

Code Explanation and Best Practices

Modular Functions

display_board(board): Responsible for displaying the game board in its current state. player_input(player, board): Handles the input from the current player and updates the board accordingly. check_win(board, mark): Checks all possible winning combinations to determine if a player has won. check_draw(board): Determines if the game has ended in a draw. main(): Manages the overall game flow, including initializing the board, switching players, and handling replay. 2. Data Structures

Dictionary: The board is represented as a dictionary with keys '1' to '9', corresponding to each position on the board. 3. Game Logic

Winning Conditions: Checks all possible lines (rows, columns, diagonals) for a win. Player Switching: Alternates between Player 1 ('X') and Player 2 ('O'). 4. User Input Handling

Input Validation: Ensures that the player selects a valid, unoccupied position. Replay Option: Allows players to choose whether to play another game after one concludes. 5. User Experience

Clear Display: Provides a visual representation of the board after each move. Feedback Messages: Informs players of invalid moves, wins, draws, and game status. 6. Code Readability

Comments and Docstrings: Functions include docstrings explaining their purpose. Consistent Naming: Uses descriptive variable and function names. Formatting: Follows PEP 8 style guidelines for readability. Enhancements and Extensions Consider adding the following features to enhance the Tic-Tac-Toe game:

Input Enhancement: Allow players to enter positions using row and column numbers. AI Opponent: Implement a basic AI for single-player mode. Improved Interface: Enhance the visual display with better formatting or ASCII art. Score Tracking: Keep track of wins, losses, and draws over multiple games. Testing the Tic-Tac-Toe Game Valid Moves: Ensure that valid moves are accepted and reflected on the board. Invalid Moves: Test selecting occupied positions or invalid numbers to verify input validation. Win Conditions: Play through games to test all possible winning scenarios. Draw Condition: Confirm that the game correctly identifies a draw when all positions are filled without a winner. Replay Functionality: Test the option to play multiple games in a session.

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