PCAP: Python Essentials 2 – Module 1 Test Answers

Python Essentials 1:

• Module 1 Test
• Module 2 Test
• Module 3 Test
• Module 4 Test
• Part 1 Summary Test

Python Essentials 2:

• Module 1 Test
• Module 2 Test
• Module 3 Test
• Module 4 Test
• Part 2 Summary Test

Python Essentials - Final Test:

• Final Test Answers

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1. Knowing that a function named fun() resides in a module named mod , choose the correct way to import it:

   • from mod import fun
   • import fun from mod
   • from fun import mod
   • import fun

2. What is the expected output of the following code? 
from random import randint
for i in range(2):  
print (randint(1,2), end='')

   • 12, or 21
   • there are millions of possible combinations, and the exact output cannot be predicted
   • 12
   • 11, 12, 21, or 22

3. During the first import of a module, Python deploys the pyc files in the directory called:

   • mymodules
   • __init__
   • hashbang
   • __pycache__

4. A list of package’s dependencies can be obtained from pip using its command named:

   • deps
   • show
   • dir
   • list

5. What is the expected value of the result variable after the following code is executed? 

   import math
   
   result = math.e != math.pow(2, 4)
   
   print(int(result))

   • 0
   • 1
   • False
   • True

6. The pip list command presents a list of:

   • available pip commands
   • outdated local package
   • locally installed package
   • all packages available at PyPI

7. How to use pipto remove an installed package?

   • pip --uninstall package
   • pip remove package
   • pip install --uninstall package
   • pip uninstall package

8. The following statement

   from a.b import c

   causes the import of:

   • entity a from module b from package c
   • entity c from module  a from package b
   • entity b from module a from package c
   • entity c from module b from package a

9. The pyc file contains:

   • a Python interpreter
   • compiled Python code
   • Python source code
   • a Python compiler

10. A predefined Python variable that stores the current module name is called:

    • __name__
    • __mod__
    • __modname__
    • __module__

11. What is true about the pip search command? (Select three answers)

    • all its searches are limited to locally installed packages
    • it needs working internet connection to work 
    • it searches through all PyPI packages
    • it searches through package names only

12. When a module is imported, its contents:

    • are executed once (implicitly)
    • are ignored
    • are executed as many times as they are imported
    • may be executed (explicitly) 

13. Choose the true statements. (Select two answers)

    • The version function from the platform module returns a string with your Python version
    • The processor function from the platform module returns an integer with the number of processes currently running in your OS
    • The version function from the platform module returns a string with your OS version
    • The system function from the platform module returns a string with your OS name

14. What is true about the pip install command? (Select two answers)

    • it allows the user to install a specific version of the package
    • it installs a package system-wide only when the --system option is specified 
    • it installs a package per user only when the --user option is specified
    • it always installs the newest package version and it cannot be changed

15. Knowing that a function named fun() resides in a module named mod , and it has been imported using the following line:

    import mod

    Choose the way it can be invoked in your code:

    • mod->fun()
    • mod::fun()
    • mod.fun()
    • fun()

16. The digraph written as #! is used to:

    • tell a Unix or Unix-like OS how to execute the contents of a Python file
    • tell an MS Windows OS how to execute the contents of a Python file
    • create a docstring
    • make a particular module entity a private one

17. A function which returns a list of all entities available in a module is called:

    • entities()
    • content()
    • dir()
    • listmodule()

18. What is true about updating already installed Python packages?

    • it can be done only by uninstalling and installing the package once again
    • it’s an automatic process which doesn’t require any user attention
    • it can be done by reinstalling the package using the reinstall command
    • it’s performed by the install command accompanied by the -U option

Python Essentials 1:

• Module 1 Test
• Module 2 Test
• Module 3 Test
• Module 4 Test
• Part 1 Summary Test

Python Essentials 2:

• Module 1 Test
• Module 2 Test
• Module 3 Test
• Module 4 Test
• Part 2 Summary Test

Python Essentials - Final Test:

• Final Test Answers