Quiz - Jan's Quiz App

1. On Windows, what is the command to activate a `venv` virtual environment located in the `myenv` directory?

source myenv/bin/activate

.\myenv\Scripts\activate

run myenv/activate.bat

activate myenv

Please select an answer.

2. How do you mark a function as a test case for PyTest to discover?

Inherit from `pytest.TestCase`

Start the function name with `test_` or end with `_test`

Decorate with `@testcase`

Add it to a `tests.yaml` file

Please select an answer.

3. What `pip` command would you use to upgrade an already installed package (e.g., `numpy`) to the latest version?

pip latest numpy

pip update numpy

pip install --upgrade numpy

pip upgrade numpy

Please select an answer.

4. Which built-in function returns the number of items in a list, tuple, or string?

len()

size()

length()

count()

Please select an answer.

5. What is the command to list all packages installed in the current active virtual environment?

pip list

pip installed

pip freeze

pip show all

Please select an answer.

6. What command would you typically use with the `venv` module to create a virtual environment named `myenv`?

python create venv myenv

python -m venv myenv

pip venv create myenv

venv make myenv

Please select an answer.

7. What is the command to install a package (e.g., `requests`) using `pip` within an active virtual environment?

pip get requests

pip add requests

pip install requests

pip download requests

Please select an answer.

8. How do you open a file named `data.txt` for reading in Python?

file.open('data.txt')

file = read('data.txt')

file = open('data.txt', 'r')

file = open('data.txt', 'read')

Please select an answer.

9. What is the capital of Australia?

Sydney

Melbourne

Brisbane

Canberra

Please select an answer.

10. What is the standard library module in Python 3 for creating virtual environments?

venv

pipenv

virtualenv

conda

Please select an answer.

11. Why is it generally bad practice to install packages globally using `pip` instead of within a virtual environment?

It uses more disk space

It's slower

It can lead to version conflicts between projects

It requires administrator privileges

Please select an answer.

12. What is the capital of Brazil?

Brasília

São Paulo

Salvador

Rio de Janeiro

Please select an answer.

13. Can you have multiple virtual environments on the same machine?

Yes, but only up to ten

No, only one is allowed per Python installation

Only if you use different Python versions

Yes, you can create as many as needed

Please select an answer.

14. What keyword is used to define a function in Python?

def

fun

function

define

Please select an answer.

15. On macOS/Linux, what is the command to activate a `venv` virtual environment located in the `myenv` directory?

./myenv/Scripts/activate

activate myenv

source myenv/bin/activate

run myenv/activate.sh

Please select an answer.

16. What is the command to uninstall a package (e.g., `flask`) using `pip`?

pip uninstall flask

pip delete flask

pip remove flask

pip erase flask

Please select an answer.

17. Which data type is used to store an ordered, immutable sequence of items?

dict

set

list

tuple

Please select an answer.

18. How do virtual environments contribute to reproducible builds?

By automatically compiling code

By locking down specific package versions in a requirements file

By integrating with version control systems like Git

By ensuring everyone uses the exact same operating system

Please select an answer.

19. What is the capital of Canada?

Montreal

Vancouver

Ottawa

Toronto

Please select an answer.

20. If you delete the directory containing a virtual environment, are the globally installed Python packages affected?

No, global packages remain untouched

Only packages with the same name are affected

Yes, they are also deleted

Yes, they might become corrupted

Please select an answer.

21. Which Selenium WebDriver method is used to locate an element by its ID attribute?

locate_id(...)

find_element(By.ID, ...)

find_element_by_id()

get_element(By.ID, ...)

Please select an answer.

22. How do you instruct the Selenium WebDriver to wait for a certain condition (e.g., an element to be visible) before proceeding?

Using WebDriverWait and expected_conditions

driver.sleep(10)

driver.pause_until()

driver.wait_for_element()

Please select an answer.

23. What command is typically used to run PyTest tests from the terminal?

python -m test

pytest

run_pytest

test

Please select an answer.

24. What does `pip` stand for in the context of Python?

Pip Installs Packages

Python Installation Program

Preferred Installer Program

Python Index Packager

Please select an answer.

25. What is the capital of Egypt?

Giza

Alexandria

Luxor

Cairo

Please select an answer.

26. What is the output of `print(type([]))`?

Please select an answer.

27. What is the difference between a list and a dictionary in Python?

Lists are ordered, dictionaries are unordered (in older Python versions)

Lists can only store numbers, dictionaries store strings

Lists are mutable, dictionaries are immutable

Lists use numeric indices, dictionaries use key-value pairs

Please select an answer.

28. What is the purpose of a PyTest fixture?

To mark tests as slow

To group related tests

To define test data

To provide a baseline/context (setup/teardown) for tests

Please select an answer.

29. What `pip` command is used to install all packages listed in a `requirements.txt` file?

pip install -r requirements.txt

pip install requirements.txt

pip load requirements.txt

pip requirements install

Please select an answer.

30. What is the primary purpose of using a virtual environment in Python development?

To encrypt Python code

To run Python in the cloud

To isolate project dependencies

To speed up Python execution

Please select an answer.

31. How do virtual environments help manage project dependencies?

By compressing package files

By allowing different projects to use different versions of the same package

By automatically updating all packages

By installing packages globally

Please select an answer.

32. What `pip` command is used to generate a `requirements.txt` file from the currently installed packages in the environment?

pip generate requirements > requirements.txt

pip list > requirements.txt

pip freeze > requirements.txt

pip save > requirements.txt

Please select an answer.

33. How can you tell if a virtual environment is currently active in your terminal?

A notification pops up

The environment name usually appears in parentheses at the start of the prompt

The terminal background color changes

The Python version number is displayed

Please select an answer.

34. What is `conda` and how does its approach to environment management differ from `venv`/`virtualenv`?

It's a package and environment manager, managing non-Python packages too

It only works for C++

It's identical to venv

It's a cloud-based environment manager

Please select an answer.

35. Which PyTest command-line option provides more detailed output (verbosity)?

--details

--verbose

-v

-d

Please select an answer.

36. What is the purpose of the `if __name__ == "__main__":` block in a Python script?

Checks if the script is run directly or imported

Imports the main module

Defines the main class

Starts a multi-threaded process

Please select an answer.

37. Besides `venv`, what is another popular third-party tool for creating Python virtual environments?

virtualenv

pipx

pyenv

docker

Please select an answer.

38. What is the purpose of the `pyvenv.cfg` file inside a virtual environment directory?

Contains configuration settings for the virtual environment

Stores environment activation scripts

Lists installed packages

Defines project metadata

Please select an answer.

39. What is the capital of Japan?

Kyoto

Hiroshima

Osaka

Tokyo

Please select an answer.

40. What method is used to simulate typing into an input field located by Selenium?

input_text()

type_keys()

fill_input()

send_keys()

Please select an answer.

41. What command is used to deactivate an active virtual environment?

quit

exit

stop

deactivate

Please select an answer.

42. Does creating a virtual environment copy the entire Python interpreter? Explain briefly.

Yes, it duplicates the entire Python installation.

No, it typically creates links or copies a few key files and uses the base interpreter.

No, it only creates configuration files.

Yes, but only the standard library.

Please select an answer.

43. What is the standard filename used to store a list of project dependencies for `pip`?

packages.txt

pip.conf

dependencies.yaml

requirements.txt

Please select an answer.

44. How do you add a comment to a single line in Python?

// This is a comment

/* This is a comment */

# This is a comment

Please select an answer.

45. Which method closes the current browser window controlled by Selenium WebDriver?

driver.exit()

driver.terminate()

driver.quit()

driver.close()

Please select an answer.

Very Easy Quiz (FYI - Grading is broken)