PYTHON

import tkinter as tk from tkinter import messagebox def evaluate_expression(): try: result = str(eval(entry_var.get())) entry_var.set(result) except Exception: messagebox.showerror("Error", "Invalid Input") entry_var.set("") def clear_entry(): entry_var.set("") def append_to_entry(value): entry_var.set(entry_var.get() + value) root = tk.Tk() root.title("Simple Calculator") grid_layout = [ ("7", "8", "9", "/"), ("4", "5", "6", "*"), ("1", "2", "3", "-"), ("0", ".", "=", "+"), ("C",) ] entry_var = tk.StringVar() entry = tk.Entry(root, textvariable=entry_var, font=("Arial", 18), justify='right', bd=10, relief=tk.GROOVE) entry.grid(row=0, column=0, columnspan=4, sticky="nsew...

BLOG Features of This Code ✅ Create a new blog post ✅ View all posts ✅ Read a single post ✅ Edit a post ✅ Delete a post ✅ Uses Flask-WTF for form handling ✅ Uses Bootstrap for a clean UI 1️⃣ Install Dependencies Run this in your terminal: pip install flask flask_sqlalchemy flask_wtf wtforms CODE from flask import Flask, render_template, redirect, url_for, request, flash from flask_sqlalchemy import SQLAlchemy from flask_wtf import FlaskForm from wtforms import StringField, TextAreaField, SubmitField from wtforms.validators import DataRequired app = Flask(__name__) app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///blog.db' app.config['SECRET_KEY'] = 'your_secret_key' db = SQLAlchemy(app) # Database Model for Blog Post class BlogPost(db.Model): id = db.Column(db.Integer, primary_key=True) title = db.Col...