Why email matters in web apps in Flask - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask mail extension.

Flask

from flask_mail import [1]

Drag options to blanks, or click blank then click option'

ASendMail

BMail

CMessage

DEmail

Attempts:

3 left

💡 Hint

Common Mistakes

Using Email or Message instead of Mail

Forgetting to import Flask-Mail

The Flask-Mail extension is imported using Mail. This allows sending emails in Flask apps.

2fill in blank

medium

Complete the code to configure the mail server in Flask app.

Flask

app.config['MAIL_SERVER'] = '[1]'

Drag options to blanks, or click blank then click option'

Asmtp.gmail.com

Blocalhost

Cmail.example.com

Dsmtp.mailtrap.io

Attempts:

3 left

💡 Hint

Common Mistakes

Using localhost instead of real SMTP server

Using incorrect SMTP server address

For sending emails via Gmail, the mail server is smtp.gmail.com.

3fill in blank

hard

Fix the error in creating the email message object.

Flask

msg = Message(subject='Hello', sender='[1]', recipients=['[e-mail]'])

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[e-mail]

Bexample.com

[e-mail]

[e-mail]

Attempts:

3 left

💡 Hint

Common Mistakes

Using recipient email as sender

Using domain only without @ sign

The sender email should be a valid sender address like [e-mail] to avoid errors.

4fill in blank

hard

Fill both blanks to send an email with Flask-Mail.

Flask

mail = [1](app)
mail.[2](msg)

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AMail

Bsend

Csend_message

DMessage

Attempts:

3 left

💡 Hint

Common Mistakes

Using Message instead of Mail for mail object

Using send_message which is not a Flask-Mail method

First, create a Mail object with the app, then call send method to send the message.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension filtering emails with 'gmail.com'.

Flask

filtered_emails = {email: [1] for email in emails if [2] in email and email.endswith('[3]')}

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Alen(email)

B'@'

Cgmail.com

Demail.count('@')

Attempts:

3 left

💡 Hint

Common Mistakes

Using email.count('@') instead of '@' in email

Using wrong domain in endswith

This comprehension creates a dictionary with emails as keys and their length as values, filtering emails containing '@' and ending with 'gmail.com'.