Python Institute PCEP-30-02 Online Practice Questions and Exam Preparation

Python Institute PCEP-30-02 Online Questions & Answers

• Question 401:

  The digraph written as #! is used to:

  A. tell an MS Windows OS how to execute the contents of a Python le.
  B. tell a Unix or Unix-like OS how to execute the contents of a Python le.
  C. create a docstring.
  D. make a particular module entity a private one.
  B. tell a Unix or Unix-like OS how to execute the contents of a Python le.

• Question 402:

  What is the expected result of running the following code?

  

  A. The code prints 1 .
  B. The code prints 2
  C. The code raises an unhandled exception.
  D. The code prints 0
  C. The code raises an unhandled exception.

  ---

  Explanation/Reference:

  The code snippet that you have sent is trying to use the index method to find the position of a value in a list. The code is as follows:

  the_list = [1, 2, 3, 4, 5] print(the_list.index(6))

  The code starts with creating a list called "the_list" that contains the numbers 1, 2, 3, 4, and

  5. Then, it tries to print the result of calling the index method on the list with the argument 6. The index method is used to return the first occurrence of a value in a list. For example, the_list.index(1) returns 0, because 1 is the first value in the list. However, the code has a problem. The problem is that the value 6 is not present in the list, so the index method cannot find it. This will cause a ValueError exception, which is an error that occurs when a function or operation receives an argument that has the right type but an inappropriate value. 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 find a value that does not exist in the list. Therefore, the correct answer is C. The code raises an unhandled exception. Reference: Python List index() Method - W3SchoolsPython Exceptions: An Introduction ?Real Python

• Question 403:

  What is the expected output of the following code?

  

  A. {(2, 3): 2}
  B. {(1, 2): 1}
  C. The code is erroneous.
  D. 1
  D. 1

• Question 404:

  What is the expected output of the following code?

  print(list('hello'))

  A. hello
  B. [h, e, l, l, o]
  C. ['h', 'e', 'l', 'l', 'o']
  D. ['h' 'e' 'l' 'l' 'o']
  E. None of the above.
  C. ['h', 'e', 'l', 'l', 'o']

• Question 405:

  How did Python, the programming language, get its name?

  A. Guido van Roddum named it to honor Python of Catana, a dramatic poet of the time of Alexander the Grerat
  B. Guido van Roddum named it to honor Monty Python's Flying Circus, a BBC comedy series popular in the 1970s
  C. Guido van Roddum named it after the Pythonidae - a family of large, nonvenomous snakes
  B. Guido van Roddum named it to honor Monty Python's Flying Circus, a BBC comedy series popular in the 1970s

• Question 406:

  A code point is:

  A. A point used to write a code.
  B. A number which makes up a character.
  C. A code containing a point.
  B. A number which makes up a character.

• Question 407:

  What is the expected output of the following code?

  

  A. The code produces no output.
  B. * * *
  C. * *
  D. *
  C. * *

  ---

  Explanation/Reference:

  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 408:

  Which one of the lines should you put in the snippet below to match the expected output? Expected output:

  

  Code:

  

  A. break
  B. continue
  C. exit
  D. print()
  A. break

• Question 409:

  What is the expected output of the following code?

  x = 28 y = 8 print(x / y) print(x // y) print(x % y)

  A. 1 | 3.0 2 | 3 3 | 2
  B. 1 | 3.5 2 | 3 3 | 4
  C. 1 | 3 2 | 3.5 3 | 4
  D. 1 | 3.5 2 | 3.5 3 | 2
  B. 1 | 3.5 2 | 3 3 | 4

• Question 410:

  What is the expected output of the following code? print(1 // 2)

  A. 0.5
  B. 0.0
  C. None of the above.
  D