[Solved] Which of the following is the correct way to start a basic Flask app? — Ans: from flask import Flask app = Flask(__name__) @app.route('/') def home():... | Flask

Flask - Ecosystem and Patterns

Which of the following is the correct way to start a basic Flask app?

Afrom flask import Flask app = Flask() @app.route('/') def home(): return 'Hello World!'

Bimport django app = django.App() @app.route('/') def home(): return 'Hello World!'

Cfrom flask import Flask app = Flask(__name__) @app.route('/') def home(): return 'Hello World!'

Dfrom flask import Flask app = Flask(__file__) @app.route('/') def home(): return 'Hello World!'

Step-by-Step Solution

Solution:

Step 1: Check Flask app initialization
Flask apps require passing __name__ to Flask() for correct setup.
Step 2: Verify route and function syntax
from flask import Flask app = Flask(__name__) @app.route('/') def home(): return 'Hello World!' correctly imports Flask, initializes app with __name__, and defines a route with a function returning a string.
Final Answer:
Correct Flask app start with __name__ -> Option C
Quick Check:
Flask(__name__) is correct app init [OK]

Quick Trick: Flask app needs Flask(__name__) to start [OK]

Common Mistakes:

MISTAKES

Master "Ecosystem and Patterns" in Flask

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Which of the following is the correct way to start a basic Flask app?