[Solved] Identify the error in this Flask extension initialization code: from flask import Flask from flask_mail import Mail mail = Mail() def create_app(): app = Flask(__name__) mail.init_app() return app | Flask

Flask - Middleware and Extensions

Identify the error in this Flask extension initialization code:

from flask import Flask
from flask_mail import Mail

mail = Mail()

def create_app():
    app = Flask(__name__)
    mail.init_app()
    return app

AMissing app argument in mail.init_app()

BMail extension should be created inside create_app()

CFlask app instance should be created after mail.init_app()

DNo error, code is correct

Step-by-Step Solution

Solution:

Step 1: Check init_app() usage
The init_app() method requires the Flask app instance as an argument.
Step 2: Identify missing argument
In the code, mail.init_app() is called without passing app, causing an error.
Final Answer:
Missing app argument in mail.init_app() -> Option A
Quick Check:
init_app() needs app argument [OK]

Quick Trick: Always pass app to init_app() [OK]

Common Mistakes:

MISTAKES

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