The goal for this project is that you can save, sort, show and send data 
by email entered by the user, remember that you must meet each of the 
requirements, then we show you what you should make.

After receiving this command the program should ask the name of
country and expect the corresponding input, as a second step should ask the
name of the capital I just enter and wait for input
corresponding. Following this should give me the message:
"Thank you for adding a country with its capital".

I must give the list of countries already entered.

I must give the list of capital already entered.

I must give the list of countries with related capital.

I must give the same result as all but ordering the outputs
alphabetically by name of the capital.

I must send an email to "[email protected]" with Everything

1. Variables
2. If/Else statements
3. Integers Numbers
4. Input/Output
5. Print
6. While or For Loops
7. Try
8. Dictionary
9. Clases
10. Documentation

1. You must take into account the validation of the data entered by the user.
2. You can use words or numbers for the user to choose their options.

1. Remember to show helps to the user when he did a wrong action 
in the application.

1. What did you learn in this lesson?
2. Explain how you solved the storage of data.
3. What is a dictionary and because it is important?
4. Explain how you solved the sort data.
5. What are the best practices followed to build your application?