Free PCEP-30-02 Exam Dumps Preview

Question 1

Single choice

What is the expected output of the following code? print(1 / 1)

1. A

   1

2. B

   1.0

3. C

   This can not be predicted.

4. D

   This can not be evaluated.

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Correct answerB

Question 2

Single choice

What is the expected output of the following code?

1. A

   1 | True
   2 | False
   3 | True
   4 | False

2. B

   1 | False
   2 | False
   3 | True
   4 | True

3. C

   1 | False
   2 | True
   3 | True
   4 | True

4. D

   1 | False
   2 | True
   3 | False
   4 | True
   B

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Correct answerB

Question 3

Single choice

What is the expected output of the following code?

1. A

   4 1

2. B

   4 4

3. C

   1 4

4. D

   The code is erroneous.

5. E

   1 1

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Correct answerD

Question 4

Single choice

What is the expected output of the following code?

1. A

   6

2. B

   4

3. C

   7

4. D

   2

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Correct answerA

Question 5

Single choice

The most important difference between integer and oating-point numbers lies in the fact that:

1. A

   they are stored differently in the computer memory

2. B

   they cannot be used simultaneously

3. C

   integers cannot be literals, while oats can

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Correct answerA

Question 6

Single choice

Consider the following code.

Which of the inputs below would produce the specified output?

1. A

   Option A

2. B

   Option B

3. C

   Option C

4. D

   Option D

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Correct answerD

Question 7

Single choice

A complete set of known commands is called:

1. A

   a machine list

2. B

   a low-level list

3. C

   an instruction list

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Correct answerC

Question 8

Single choice

Consider the following list. data = [1, 5, 10, 19, 55, 30, 55, 99] Which of the code snippets below would produce a new list like the following? [1, 5, 10, 99]

1. A

   Option A

2. B

   Option B

3. C

   Option C

4. D

   Option D

5. E

   Option E

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Correct answerD

Question 9

Single choice

What is the expected output of the following code?

1. A

   [7, 3, 23, 42]

2. B

   [7, 20, 23, 42]

3. C

   [10, 20, 42]

4. D

   [10, 20, 23, 42]

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Correct answerB

Question 10

Drag & drop

DRAG DROP

Insert the code boxes in the correct positions in order to build a line of code which asks the user for a float value and assigns it to the mass variable. (Note: some code boxes will not be used.)

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Explanation

One possible way to insert the code boxes in the correct positions in order to build a line of code that asks the user for a float value and assigns it to the mass variable is: mass = float(input("Enter the mass: "))

This line of code uses the input function to prompt the user for a string value, and then uses the float function to convert that string value into a floating-point number. The result is then assigned to the variable mass.
You can find more information about the input and float functions in Python in the following references:
[Python input() Function]
[Python float() Function]

Question 11

Single choice

What value will be assigned to the x variable?

1. A

   0

2. B

   True

3. C

   False

4. D

   1

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Correct answerB

Question 12

Single choice

The value thirty point eleven times ten raised to the power of nine should be written as:

1. A

   30.11E9.0

2. B

   30E11.9

3. C

   30.11*10^9

4. D

   30.11E9

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Correct answerD

Question 13

Single choice

How many stars will the following snippet print to the monitor?

1. A

   three

2. B

   one

3. C

   two

4. D

   zero

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Correct answerC

Question 14

Single choice

An assertion can be used to:

1. A

   Stop the program when some data have improper values.

2. B

   Import a module.

3. C

   Make the Programmer more assertive.

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Correct answerA

Question 15

Single choice

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

1. A

   Exponents -
   Unary positive, negative, not -
   Parentheses -
   Multiplication and Division -
   Addition and Subtraction -
   And

2. B

   Parentheses -
   Exponents -
   Unary positive, negative, not -
   Addition and Subtraction -
   Multiplication and Division -
   And

3. C

   Parentheses -
   Exponents -
   Unary positive, negative, not -
   Multiplication and Division -
   Addition and Subtraction -
   And

4. D

   Exponents -
   Unary positive, negative, not -
   Multiplication and Division -
   Addition and Subtraction -
   And -
   Parentheses

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Correct answerC

Question 16

Single choice

Which of the following lines properly starts a function using two parameters, both with zeroed default values?

1. A

   def fun(a=0, b=0):

2. B

   def fun(a=b=0):

3. C

   fun fun(a=0, b):

4. D

   fun fun(a, b=0):

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Correct answerA

Question 17

Single choice

What is the expected output of the following code?

1. A

   [4, 3, 2, 1]

2. B

   [4, 3, 2]

3. C

   [4, 3]

4. D

   The code is erroneous.

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Correct answerB

Question 18

Single choice

Python Is an example of which programming language category?

1. A

   interpreted

2. B

   assembly

3. C

   compiled

4. D

   machine

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Correct answerA

Explanation

Explanation: Python is an interpreted programming language, which means that the source code is translated into executable code by an interpreter at runtime, rather than by a compiler beforehand.
Interpreted languages are more flexible and portable than compiled languages, but they are also slower and less efficient. Assembly and machine languages are low-level languages that are directly executed by the hardware, while compiled languages are high-level languages that are translated into machine code by a compiler before execution.
References:
[Python Institute - Entry-Level Python Programmer Certification]

Question 19

Single choice

How much will the delivery cost be, if the order value is 1700 and the state is FL (Florida)?

1. A

   120

2. B

   105

3. C

   80

4. D

   90

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Correct answerA

Question 20

Single choice

Which of the code snippet below will print the following to the monitor?

1. A

   Option A

2. B

   Option B

3. C

   Option C

4. D

   Option D

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Correct answerA

Question 21

Single choice

An operator able to check whether two values are not equal is coded as:

1. A

   <>

2. B

   !=

3. C

   =/=

4. D

   not ==

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Correct answerB

Question 22

Single choice

What is the expected output of the following code?

1. A

   3

2. B

   5

3. C

   The code is erroneous.

4. D

   14

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Correct answerD

Question 23

Single choice

What is the expected output of the following code?

1. A

   3

2. B

   6

3. C

   8

4. D

   1

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Correct answerC

Question 24

Single choice

What is the expected output of the following code?

1. A

   The code is erroneous.

2. B

   3

3. C

   1

4. D

   2

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Correct answerC

Question 25

Single choice

You develop a Python application for your company. You have the following code.

Which of the following expressions is equivalent to the expression in the function?

1. A

   (a + b) * (c - d)

2. B

   (a + (b * c)) - d)

3. C

   (a + ((b * c) - d)

4. D

   None of the above.

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Correct answerB

Question 26

Single choice

What is the expected output of the following code?

1. A

   ('Peter': 30, 'Paul': 31)

2. B

   ('Peter', 'Paul')

3. C

   ['Peter': 30, 'Paul': 31]

4. D

   ['Peter', 'Paul']

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Correct answerD

Question 27

Single choice

Consider the following code.

What does the second assignment do?

1. A

   It shortens the list.

2. B

   It reverses the list.

3. C

   It doesn't change the list.

4. D

   It extends the list.

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Correct answerB

Question 28

Single choice

What is the expected output of the following code if the user enters 2 and 4?

1. A

   4

2. B

   6

3. C

   2

4. D

   24

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Correct answerD

Question 29

Single choice

You develop a Python application for your company. You want to add notes to your code so other team members will understand it.

What should you do?

1. A

   Place the notes after the last list of code separated by a blank line.

2. B

   Place the notes after the # sign on any line.

3. C

   Place the notes inside of parentheses on any line.

4. D

   Place the notes before the rst line of code separated by a blank line.

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Correct answerB

Question 30

Single choice

What is the expected output of the following code?

1. A

   hellopeter

2. B

   hello@Peter!!

3. C

   hello@peter!!

4. D

   None

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Correct answerC

Question 31

Single choice

How many stars will the following code print to the monitor?

1. A

   nine

2. B

   zero

3. C

   three

4. D

   six

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Correct answerC

Question 32

Single choice

What is the expected output of the following code?

1. A

   efg

2. B

   abc

3. C

   def

4. D

   The code is erroneous.

5. E

   abcde

6. F

   None of the above.

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Correct answerA

Question 33

Single choice

What is the best de nition of a script?

1. A

   It's a text le that contains sequences of zeroes and ones

2. B

   It's a text le that contains instructions which make up a Python program

3. C

   It's an error message generated by the interpreter

4. D

   It's an error message generated by the compiler

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Correct answerB

Question 34

Single choice

What is the output of the following snippet?

1. A

   ['Mary', 'had', 'a', 'little', 'lamb']

2. B

   ['Mary', 'had', 'a', 'lamb']

3. C

   ['Mary', 'had', 'a', 'ramb']

4. D

   No output, the snippet is erroneous

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Correct answerD

Question 35

Single choice

What is the expected result of the following code?

1. A

   5

2. B

   2

3. C

   1

4. D

   The code will cause an unhandled

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Correct answerD

Explanation

Explanation: The code snippet that you have sent is trying to use a list comprehension to create a new list from an existing list. The code is as follows:
my_list = [1, 2, 3, 4, 5] new_list = [x for x in my_list if x > 5] The code starts with creating a list called
"my_list" that contains the numbers 1, 2, 3, 4, and 5. Then, it tries to create a new list called "new_list" by using a list comprehension. A list comprehension is a concise way of creating a new list from an existing list by applying some expression or condition to each element. The syntax of a list comprehension is: new_list = [expression for element in old_list if condition] The expression is the value that will be added to the new list, which can be the same as the element or a modified version of it. The element is the variable that takes each value from the old list. The condition is an optional filter that determines which elements will be included in the new list. For example, the following list comprehension creates a new list that contains the squares of the even numbers from the old list: old_list = [1, 2, 3, 4, 5, 6] new_list = [x ** 2 for x in old_list if x % 2 == 0] new_list = [4, 16, 36]The code that you have sent is trying to create a new list that contains the elements from the old list that are greater than 5. However, there is a problem with this code. The problem is that none of the elements in the old list are greater than 5, so the condition is always false. This means that the new list will be empty, and the expression will never be evaluated. However, the expression is not valid, because it uses the variable x without defining it. This will cause a NameError exception, which is an error that occurs when a variable name is not found in the current scope. The code does not handle the exception, and therefore it will terminate with an error message. The expected result of the code is an unhandled exception, because the code tries to use an undefined variable in an expression that is never executed. Therefore, the correct answer is D. The code will cause an unhandled exception.
References:
Python - List Comprehension - W3SchoolsPython - List Comprehension -
GeeksforGeeksPython Exceptions: An Introduction ?Real Python

Question 36

Single choice

Which of the following code snippets will print all prime numbers between 2 and 100 to the monitor?

1. A

   Option A

2. B

   Option B

3. C

   Option C

4. D

   Option D

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Correct answerB

Question 37

Single choice

What is the output of the following snippet?

1. A

   [0, 1, 9, 16]

2. B

   [0, 1, 4, 16]

3. C

   [0, 1, 4, 9]

4. D

   [1, 4, 9, 16]

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Correct answerC

Question 38

Single choice

A variable de ned outside a function:

1. A

   may be read, but not written (something more is needed to do so)

2. B

   may not be accessed in any way inside the function

3. C

   may be freely accessed inside the function

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Correct answerA

Question 39

Single choice

You want to write a program that asks the user for a value. For the rest of the program you need a whole number, even if the user enters a decimal value.

What would you have to write?

1. A

   num = str(input('How many do you need?'))

2. B

   num = int( oat(input('How many do you need?')))

3. C

   num = oat(input('How many do you need?'))

4. D

   num = int('How many do you need?')

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Correct answerB

Question 40

Single choice

The unnamed except block ...

1. A

   must be the rst one.

2. B

   cannot be used if any named block has been used.

3. C

   must be the last one.

4. D

   can be placed anywhere.

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Correct answerC

Question 41

Single choice

The result of the following addition:
123 + 0.0

1. A

   cannot be evaluated

2. B

   is equal to 123

3. C

   is equal to 123.0

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Correct answerC

Question 42

Single choice

What is the expected output of the following code?

1. A

   1 | 128

   2 | 512

2. B

   1 | 8
   2 | 16

3. C

   1 | 32
   2 | 1024

4. D

   1 | 16
   2 | 256

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Correct answerD

Question 43

Single choice

What is the expected output of the following code?

1. A

   2

2. B

   0

3. C

   1

4. D

   3

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Correct answerA

Question 44

Single choice

You have the following le. index.py:

You run the le by executing the following command in the terminal.

python index.py Hello What is the expected oputput?

1. A

   index.py

2. B

   ImportError

3. C

   IndexError

4. D

   Hello

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Correct answerA

Question 45

Single choice

What is the expected output of the following code if the user enters 11 and 4?

1. A

   1

2. B

   2

3. C

   4

4. D

   3

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Correct answerA

Question 46

Single choice

What is the expected output of the following code?

1. A

   4

2. B

   The code is erroneous.

3. C

   6

4. D

   2

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Correct answerB

Question 47

Single choice

Which of the literals below is not a valid function name?

1. A

   Function_1

2. B

   Function1

3. C

   _function1

4. D

   1function

5. E

   Func_1_tion

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Correct answerD

Question 48

Multiple choice

Which of the following function calls can be used to invoke the below function de nition? (Choose three.) def test(a, b, c, d):

1. A

   test(a=1, b=2, c=3, 4)

2. B

   test(1, 2, 3, d=4)

3. C

   test(a=1, 2, 3, 4)

4. D

   test(1, 2, 3, 4)

5. E

   test(a=1, b=2, c=3, d=4)

6. F

   test(a=1, 2, c=3, 4)

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Correct answersB, D, E

Question 49

Single choice

How many stars will the following snippet print to the monitor?

1. A

   three

2. B

   zero

3. C

   two

4. D

   one

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Correct answerC

Question 50

Multiple choice

Which of the following statements are true? (Choose two.)

1. A

   The result of the / operator is always an integer value.

2. B

   The ** operator uses right-sided binding.

3. C

   The right argument of the % operator cannot be zero.

4. D

   Addition precedes multiplication.

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Correct answersB, C

Question 51

Single choice

The function body is missing.
What snippet would you insert in the line indicated below:

1. A

   print('number')

2. B

   return 'number'

3. C

   print(number)

4. D

   return number

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Correct answerD

Question 52

Single choice

What value will be assigned to the x variable?

1. A

   False

2. B

   1

3. C

   0

4. D

   True

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Correct answerD

Question 53

Single choice

What is the expected output of the following code?

1. A

   1

2. B

   Peter

3. C

   None

4. D

   value

5. E

   The code is erroneous.

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Correct answerC

Question 54

Single choice

What is the expected output of the following code?
print(chr(ord('p') + 3))

1. A

   q

2. B

   r

3. C

   t

4. D

   s

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Correct answerD

Question 55

Multiple choice

Which of the following variable names are illegal? (Choose two.)

1. A

   True

2. B

   true

3. C

   and

4. D

   TRUE

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Correct answersA, C

Question 56

Single choice

What is the expected output of the following code?

1. A

   0 1

2. B

   1 0

3. C

   The code is erroneous.

4. D

   0 0

5. E

   1 1

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Correct answerE

Question 57

Single choice

What is the expected output of the following code?

1. A

   [1, 10, 3, 20, 5, 30, 7, 40, 9, 50, 60]

2. B

   [1, 2, 10, 20, 30, 40, 50, 60]

3. C

   The code is erroneous.

4. D

   [10, 2, 20, 4, 30, 6, 40, 8, 50, 60]

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Correct answerC

Question 58

Single choice

What is the expected output of the following code?

1. A

   The code produces no output.

2. B

   * * *

3. C

   * *

4. D

   *

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Correct answerC

Explanation

The code snippet that you have sent is a conditional statement that checks if a variable "counter" is less than 0, greater than or equal to 42, or neither. The code is as follows:
if counter < 0: print("") elif counter >= 42: print("") else: print("") The code starts with checking if the value of "counter" is less than 0. If yes, it prints a single asterisk () to the screen and exits the statement. If no, it checks if the value of "counter" is greater than or equal to 42. If yes, it prints three asterisks () to the screen and exits the statement. If no, it prints two asterisks () to the screen and exits the statement. The expected output of the code depends on the value of "counter". If the value of "counter" is 10, as shown in the image, the code will print two asterisks (**) to the screen, because 10 is neither less than 0 nor greater than or equal to 42. Therefore, the correct answer is C.
* * Reference: [Python Institute - Entry-Level Python Programmer Certification]

Question 59

Single choice

You want to print each name of the list on a new line.

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

Which statement will you use?

1. A

   print(data.concatenate('\n'))

2. B

   print('\n'.join(data))

3. C

   print(data.join('\n'))

4. D

   print(data.join('%s\n', names))

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Correct answerB

Question 60

Single choice

You are developing a Python application for an online product distribution company. You need the program to iterate through a list of products and escape when a target product ID is found.

What would you insert instead of ??? and ???
?

1. A

   1 | if
   2 | break

2. B

   1 | break
   2 | while

3. C

   1 | for
   2 | break

4. D

   1 | while
   2 | break

5. E

   1 | while
   2 | for

6. F

   1 | for
   2 | while

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Correct answerD

Question 61

Single choice

What is the expected output of the following code?

1. A

   7777777

2. B

   The code is erroneous.

3. C

   49

4. D

   77

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Correct answerB

Question 62

Single choice

What will be the output of the following code snippet? print(3 / 5)

1. A

   None of the above.

2. B

   0

3. C

   0.6

4. D

   6/10

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Correct answerC

Question 63

Single choice

What is the expected output of the following code?

1. A

   ['Peter', 404, 3.03, 'Wellert', 33.3]

2. B

   None of the above.

3. C

   [404, 3.03]

4. D

   ['Peter', 'Wellert']

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Correct answerC