Code Editor for app.py

import streamlit as st
import numpy as np

# Initialize the board
if 'sudoku_board' not in st.session_state:
    st.session_state.sudoku_board = np.zeros((9, 9), dtype=int)

st.title('Sudoku Game')

# Function to display the Sudoku board
def display_board(board):
    for i in range(9):
        cols = []
        for j in range(9):
            if board[i, j] != 0:
                cols.append(st.number_input(f'[{i},{j}]', min_value=1, max_value=9, value=board[i, j], key=f'cell_{i}_{j}'))
            else:
                cols.append(st.number_input(f'[{i},{j}]', min_value=0, max_value=9, value=0, key=f'cell_{i}_{j}'))
        st.write(cols)

# Update the board based on user inputs
for i in range(9):
    for j in range(9):
        st.session_state.sudoku_board[i, j] = st.session_state.get(f'cell_{i}_{j}', 0)

# Display the board
display_board(st.session_state.sudoku_board)

# Button to reset the board
if st.button('Reset Board'):
    st.session_state.sudoku_board = np.zeros((9, 9), dtype=int)