🤖 Create a Telegram Bot using Python

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📘 What You Will Learn

• What is a Telegram Bot
• How to create a bot using BotFather
• How to write Python code for a bot
• How to run and test your bot
• Basic commands handling

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🧠 Concept: What is a Telegram Bot?

A Telegram bot is an automated program that: - Responds to messages - Performs tasks automatically - Interacts with users without human intervention

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🛠️ Step 1: Create Bot using BotFather

1. Open Telegram
2. Search for BotFather
3. Start chat and run:

/start

1. Create a new bot:

/newbot

1. Enter:
2. Bot Name → StudyHelperBot
3. Username → study_helper_bot

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🔑 Output

You will receive a BOT TOKEN: 123456:ABC-XYZ...

⚠️ Important: Keep this token secret

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🐍 Step 2: Install Required Library

pip install python-telegram-bot

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💻 Step 3: Write Bot Code

Create a file named bot.py

from telegram import Update
from telegram.ext import ApplicationBuilder, CommandHandler, ContextTypes

TOKEN = "YOUR_BOT_TOKEN"

async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Hello 👋 I am your bot!")

app = ApplicationBuilder().token(TOKEN).build()

app.add_handler(CommandHandler("start", start))

print("Bot running...")
app.run_polling()

Step 4: Run the Bot

python bot.py

🧪 Step 5: Test Your Bot

• Open Telegram
• Search your bot username
• Send:

/start

✅ Output:

• Hello 👋 I am your bot!