Files Exercises#

Section Title: Files Exercises

Use the email_message.txt file for the questions in this section.

Question-1#

Store the names of the email senders in a list.

Question-2#

Store the email numbers in a list as integers using regular expressions.

Question-3#

Find the missing email number.

Question-4#

Find the longest message.

Question-5#

Find the number of the email with the longest message.