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To link an HTML file to a Python script

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To link an HTML file to a Python script, you typically need to use a web framework that can handle the HTTP requests and responses. One popular framework for this purpose is Flask. Here's a step-by-step guide on how to link an HTML file to a Python script using Flask:

1. Install Flask: Make sure you have Flask installed. You can install it using pip by running the following command in your terminal or command prompt:
```
   pip install flask
   ```

2. Create a new directory for your project and navigate to it in your terminal or command prompt.

3. Create a new Python script, let's say `app.py`, and open it in a text editor.

4. Import the necessary modules:
   ```python
   from flask import Flask, render_template, request
   ```

5. Create a Flask application:
   ```python
   app = Flask(__name__)
   ```

6. Define a route for your HTML file:
   ```python
   @app.route('/')
   def index():
       return render_template('index.html')
   ```

7. Save the following HTML code in a file named `index.html` in the same directory as your Python script:
   ```html
   
   
   
       My Web Page
   
   
       

Welcome to my web page

       
           
           
       
   
   
   ```

8. Create another route to process the form submission:
   ```python
   @app.route('/process', methods=['POST'])
   def process():
       name = request.form['name']
       return f'Hello, {name}!'
   ```

9. Add the following code at the end of your Python script to run the Flask application:
   ```python
   if __name__ == '__main__':
       app.run(debug=True)
   ```

10. Save the `app.py` file.

11. In your terminal or command prompt, navigate to the project directory and run the Python script:
    ```
    python app.py
    ```

12. Open your web browser and go to `http://localhost:5000` to see your HTML page. You can enter your name in the form and submit it to see the result.

That's it! You have successfully linked an HTML file to a Python script using Flask. This is a basic example, but Flask provides many more features and options for building web applications with Python.

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