here is a sample code that creates a gui for the battleship game using pyqt5 with logic of ship placement and checking if a ship was hit in python

main.py
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (
    QApplication, QMainWindow, QWidget, QLabel, QVBoxLayout, QHBoxLayout, QPushButton
)
from typing import Tuple


class Cell(QPushButton):
    def __init__(self, row: int, col: int):
        super().__init__()
        self.row = row
        self.col = col
        self.setFixedSize(40, 40)
        self.setStyleSheet("background-color: lightblue")


class BattleshipGUI(QWidget):
    def __init__(self):
        super().__init__()
        self.cells = []
        self.board = [[0] * 10 for _ in range(10)]

        main_layout = QVBoxLayout()

        board_layout = QHBoxLayout()
        board_layout.addStretch()
        for col in range(10):
            label = QLabel(chr(col + ord('A')))
            board_layout.addWidget(label, alignment=Qt.AlignmentFlag.AlignCenter)
        board_layout.addStretch()
        main_layout.addLayout(board_layout)

        for row in range(10):
            row_layout = QHBoxLayout()
            row_layout.addStretch()
            label = QLabel(str(row))
            row_layout.addWidget(label, alignment=Qt.AlignmentFlag.AlignCenter)
            for col in range(10):
                cell = Cell(row, col)
                cell.clicked.connect(self._handle_cell_clicked)
                row_layout.addWidget(cell)
                self.cells.append(cell)
                self.board[row][col] = 0
            row_layout.addStretch()
            main_layout.addLayout(row_layout)

        board_layout = QHBoxLayout()
        board_layout.addStretch()
        for col in range(10):
            label = QLabel(chr(col + ord('A')))
            board_layout.addWidget(label, alignment=Qt.AlignmentFlag.AlignCenter)
        board_layout.addStretch()
        main_layout.addLayout(board_layout)

        self.setLayout(main_layout)

    def _handle_cell_clicked(self):
        cell = self.sender()
        if self.board[cell.row][cell.col] == 1:
            cell.setStyleSheet("background-color: red")
        else:
            cell.setStyleSheet("background-color: white")


if __name__ == "__main__":
    app = QApplication([])
    gui = BattleshipGUI()
    gui.show()
    app.exec()
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