Sending 10 pictures of your recent vacation, to everyone in your email address book

(B) Avoid sending large attachments

Explanation:

 According to the question, sending 10 photos or picture in email address book simultaneously then it violating the guideline as they want to avoid sending the large attachment.

  Avoiding the large attachment in the email causes make a portion of your beneficiaries surpass their shares. On the off chance that a record is bigger than a few megabytes, you should pack it into a littler document utilizing a program like Secure ZIP before appending it.

Therefore, Option (B) is correct.

The code would look like this:

x = "my favorite book is Python for Dummies"

y = "because I learn a lot of python code from it."

print(x + y)