Python Programming for Complete Beginners: A Structured Course

Lesson 9: Introduction to Flask (Web Framework)

Objective: Build a simple webpage with Python.

  • Install Flask (pip install flask).

  • Basic routing (@app.route("/")).

Code Example:

python
 
from flask import Flask  
app = Flask(__name__)  

@app.route("/")  
def home():  
    return "Welcome to my portfolio!"  

if __name__ == "__main__":  
    app.run()  

Exercise:

  • Run a local Flask server and see your first webpage.