Question 1

Which of the following is the correct order of operator precedence?

Options :

A : Parentheses

Exponents

Unary positive, negative, not

Addition and Subtraction

Multiplication and Division

And

B : Exponents

Unary positive, negative, not

Multiplication and Division

Addition and Subtraction

And

Parentheses

C : Parentheses

Exponents

Unary positive, negative, not

Multiplication and Division

Addition and Subtraction

And

D : Exponents

Unary positive, negative, not

Parentheses

Multiplication and Division

Addition and Subtraction

And

Answer: C

Question 2

What is the expected output of the following code?

1. a = [1, 2, 3, 4, 5]

2. print(a[3:0:-1])

Options :

A : [4, 3, 2, 1]

B : [4, 3, 2]

C : The code is erroneous.

D : [4, 3]

Answer: B

Question 3

Is there a way to check if a class is a subclass of another class?

Options :

A : Yes, there is a function able to do that.

B : No.

C : It may be possible, but only under special conditions.

Answer: A

Question 4

Consider the following code.

1. data = ['Peter', 'Paul', 'Mary', 'Jane']

2. res = 0

Which of the following code snippets will expand the code,

so that 100 will be printed to the monitor?

Choose two.

Options :

A : 1. for i in ('Peter', 'Steve', 'Jane'):

2. if i not in data:

3. res += 100

4. print(res)

B : 1. for i in ('Peter', 'Steve', 'Jane'):

2. if i not in data:

3. res += 50

4. print(res)

C : 1. for i in ('Peter', 'Steve', 'Jane'):

2. if i in data:

3. res += 100

4. print(res)

D : 1. for i in ('Peter', 'Steve', 'Jane'):

2. if i in data:

3. res += 50

4. print(res)

Answer: A,D

Question 5

What is the expected output of the following snippet?

1. s = 'python'

2. for i in range(len(s)):

3. i = s[i].upper()

4. print(s, end='')

Options :

A : Python

B : The code is erroneous.

C : P Y T H O N

D : python

E : P y t h o n

Answer: D

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