In python:

1-Given the declaration circle = Circle(), which of the following statement is most accurate?

A-x contains a reference to a Circle object. B-x contains an int value. C-x contains an object of the Circle type. D- You can assign an int value to x.

2- An object is an instance of a ________.

A- method B- data C-class D- program

3-________ is a state within a class definition.

A- method B- class C- variable D- An object

4-Which one of the following sets default value of radius to 1?

A- def __init__(self):

self.radius = 1

B- def __init__(radius):

radius = 1

C- def __init__(self, radius = self):

self.radius = 1

D- def __init__(self, radius = 1):

self.radius = radius

E- def __init__(self, radius = 1):

self.radius = 1

5-________ is invoked to create an object.

A- A constructor B- The main method C- A method with the void return type D- A method with a return type

6- To instantiate a class, ________

A- Invoke classs constructor. B- Create a method that will call classs constructor. C- Assign an existing object to a variable. D- Import the object from another python program.

7- Which of the following statements is not true?

A- Local variables always get their values from the input arguments. B- You may assign an objects method into any object from different class. C- Two reference variables must reference different objects when objects belong to different class. D- Two reference variables may reference the same object in the memory. If two reference variables value are the same, then these two reference variables are referencing the same object.

8- When invoking a method with an object, ________ must be used.

A- the contents of the object B- the reference of the object C- the class name D- the dot operator

9- Which of the following statement is correct?

A- The randint() method in the random class returns the next random double value. B- The randint() method in the random class can return a random number within a range C- When creating a random object, you have to limit the size of the range to be returned. D- The returning value of randint() method contains in a list.

10- What happened when there is no key matched when we look up a dictionary?

A- Program crashed B- Program displayed no key match C- Program will ask you for a correct key D- Program finds the closest matched key and return the associated value Program returns None

11-When defining a recursive function, which one of the following must be considered?

A- Number of arguments B-Base case C- The position where return statement should be placed D- The data type of argument(s) E- Should have one call to itself within the function definition