A. It is parameterless

B. It can be invoked from the main window widget only

C. It causes all the widgets to disappear

D. It can be invoked from any widget

A. #0000FF

B. #FF0000

C. #000000

D. #FFFFFF

A. :memory: is a special name for loading a database from a file to the RAM.

B. You can use :memory: to establish a database connection.

C. You can use :memory: to delete a specific database that resides in the RAM.

D. :memory: is a special name for creating a temporary database in the RAM.

A. my_dict = { "A" : "1", "B" : "2", "C" : "1" }

B. spam = my_function(arg_one,
arg_two,
arg_three,
arg_four)

C. my_dict = {
"X": "180.A",
"Y": "206.P",
"Z": "12.C"
}

D. foo = my_function
(arg_one, arg_two,
arg_three, arg_four
)

A. The sqhte3 module does not support transactions.

B. The special name memory is used to create a database in RAM.

C. The fetchall method returns an empty list when no rows are available

D. The sqlite3 module provides an interface compliant with the DB-API 2.0.

A. Composition extends a class's capabilities by adding new components and modifying the existing ones.

B. Composition allows a class to be projected as a container of different classes

C. Composition is a concept that promotes code reusability while inheritance promotes encapsulation.

D. Composition is based on the has a relation: so it cannot be used together with inheritance.

A. It addresses a service whose timeout is set to 3000 ms.

B. It addresses a service listening at port 3000.

C. It addresses a service deployed at localhost (the host where the code is run).

D. It addresses a service located at the following address local.host.com.

A. The code is erroneous.

B. There is only one initializer, so there is no need for a class method.

C. The getNumberofCrosswords () method should be decorated With @classmethod.

D. The gexNumberOfcrosswords () and issrived methods should be decorated with @classzoechod.