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Python MCQ for Intermediate Level Developers
Quick Quiz
What happens when you run the command pip install -U package_name?
a. It updates the mentioned package to its most recent version
b. It removes the mentioned package from the system
c. It fetches and installs the package from the Python Package Index
d. It upgrades every package that is currently installed
Option a – It updates the mentioned package to its most recent version
What is the correct way to install a Python package from your local directory using pip?
a. pip install .
b. pip install package_name -l
c. pip install package_name –local
d. pip install package_name –directory .
Option a – pip install
Which Python library is primarily used for working with Excel spreadsheet files?
a. openpyxl
b. xlrd
c. xlwt
d. pandas
Option a – openpyxl
What is the function of the pip install --no-cache-dir package_name command?
a. Prevents caching when installing the package
b. Deletes the existing cache used by pip
c. Installs the package without any required dependencies
d. Turns off the caching system used by pip permanently
Option a – Prevents caching when installing the package
Which command will show all packages currently installed through conda?
a. conda list
b. conda show
c. conda search
d. conda info
Option a – conda list
What does running pip install package_name --user achieve?
a. Installs the package for just the current user
b. Installs the package for all users on the system
c. Installs the package without needing admin rights
d. Installs the package with extra settings specific to the user
Option a – Installs the package for just the current user
What is the correct pip command to install a package located in a custom directory?
a. pip install package_name –location /path/to/package
b. pip install package_name –source /path/to/package
c. pip install package_name –path /path/to/package
d. pip install /path/to/package package_name
Option d – pip install /path/to/package package_name
Which Python library is widely used for generating random values?
a. random
b. numpy
c. os
d. math
Option a – random
What does the command pip install --index-url https://example.com package_name do?
a. Installs the package using the specified custom index URL
b. Replaces the default pip index with the given URL
c. Adds a new index source to pip’s configuration
d. Removes an index URL from pip’s known sources
Option a – Installs the package using the specified custom index URL
How do you install a particular version of a package using conda?
a. conda install package_name=version_number
b. conda install version_number package_name
c. conda install package_name@version_number
d. conda install -V package_name/version_number
Option a – conda install package_name=version_number
Which Python module is commonly used for working with JSON-formatted data?
a. json
b. requests
c. xml
d. csv
Option a – json
What happens when you run the command pip install --ignore-installed package_name?
a. Skips over any earlier versions of the package that are already installed
b. Installs all dependencies of the package without exception
c. Deletes the package and its dependencies if they are present
d. Installs the package without verifying existing installations
Option a – Skips over any earlier versions of the package that are already installed
What is the correct way to install a Python package in editable (development) mode using pip?
a. pip install -e .
b. pip install package_name –dev
c. pip install package_name –develop
d. pip install package_name –development
Option a – pip install -e
Which Python module is used to work with compressed file formats such as ZIP or TAR?
a. zipfile
b. tarfile
c. gzip
d. shutil
Option d – shutil
What is the function of the command pip install --log log.txt package_name?
a. Saves a log of the installation process to a file called log.txt
b. Enables enhanced logging features during installation
c. Displays all logs related to the given package
d. Installs the package and logs the process to log.txt
Option a – Saves a log of the installation process to a file called log.txt
What command should you use with pip to upgrade all installed Python packages?
a. pip install –upgrade-all
b. pip install -upgrade*
c. pip install –upgrade
d. pip install -upgrade-all-packages
Option c – pip install –upgrade
Which module in Python is typically used for handling binary data?
a. struct
b. bytes
c. bin
d. binary
Option a – struct
What is the method to remove all installed packages in Python?
a. pip uninstall all
b. remove all packages
c. uninstall all packages xargs pip uninstall -y
d. pip freeze
Option d – pip freeze
Which line of code imports every function and variable from a module?
a. from module import *
b. import module
c. include module
d. import module.
Option a – from module import *
Why is if __name__ == "__main__" used in a Python program?
a. To define the primary function of the script
b. To indicate the name of the module
c. To run code only when the script is executed directly
d. To load a specific module
Option c – To run code only when the script is executed directly
What is the first step to creating an empty Python package?
a. Make a new folder with the intended package name
b. Run the command python create package packagename
c. Use the “New Package” option in your IDE
d. Run the create package packagename command
Option a – Make a new folder with the intended package name
Which pip command installs a particular version of a Python package?
a. pip install packagename-=version
b. install packagename==version
c. pip version packagename
d. pip add packagename version
Option a – pip install packagename-=version
How do you update all Python packages to their latest available versions?
a. pip upgrade-all
b. upgrade-all packages
c. pip install -U*
d. pip update-all
Option c – pip install -U*
Why is the site-packages folder important in a Python installation?
a. It holds the original code for all installed Python packages
b. It contains help files for all installed libraries
c. It stores precompiled Python bytecode for installed libraries
d. It saves test files associated with the installed libraries
Option c – It stores precompiled Python bytecode for installed libraries
How can you find out the version of a particular Python package?
a. Run the command pip show packagename
b. Run the command pip version packagename
c. Import the library and check its version attribute
d. Use the version packagename command
Option a – Run the command pip show packagename
What is the role of the pycache folder in Python 3?
a. It temporarily holds files created during package setup
b. It caches compiled Python files to speed up future imports
c. It holds configuration files related to packages
d. It keeps backup copies of package files
Option b – It caches compiled Python files to speed up future imports
How can you import a module from a deeply nested package structure?
a. import package.subpackage.module
b. from package.subpackage import module
c. include package.subpackage.module
d. import package.subpackage.module as mod
Option b – from package.subpackage import module
What does the requirements.txt file do in a Python project?
a. It lists the names and versions of all needed packages
b. It describes the functions offered by the project
c. It shows all modules present in the package
d. It defines the version number of the main package
Option a – It lists the names and versions of all needed packages
What is the correct way to create a virtual environment in Python?
a. virtualenv create environmentname
b. python create environment environmentname
c. pip create environment environmentname
d. python -m venv environmentname
Option d – python -m venv environmentname
Why are virtual environments used in Python development?
a. To isolate project dependencies and avoid package conflicts
b. To automatically update every installed library
c. To detect and remove unused packages
d. To protect the source code from external access
Option a – To isolate project dependencies and avoid package conflicts
What command activates a Python virtual environment?
a. activate environmentname
b. environmentname activate
c. pip activate environmentname
d. source environmentname/bin/activate
Option d – source environmentname/bin/activate
What is the function of the __init__.py file in a subpackage?
a. To declare attributes specific to the subpackage
b. To indicate the version of the subpackage
c. To allow external module integration
d. To execute setup code when the subpackage is loaded
Option d – To execute setup code when the subpackage is loaded
How can you update several Python packages at once using pip?
a. pip upgrade package1 package2 package3
b. upgrade package1 package2 package3
c. pip install -U package1 package2 package3
d. pip update package1 package2 package
Option c – pip install -U package1 package2 package3
Why is the requirements.txt file important in a Python project?
a. It contains a list of all necessary packages along with their specific versions
b. It includes a summary of the functions used in the project
c. It shows all the modules that are available in the project
d. It defines the version of the entire project
Option a – It contains a list of all necessary packages along with their specific versions
How can you install every dependency listed in a requirements.txt file?
a. Run the command pip install -r requirements.txt
b. Use the command pip install-all requirements.txt
c. Run the command pip add requirements.txt
d. Enter the command pip install requirements.txt
Option a – Run the command pip install -r requirements.txt
What role does the __pycache__ folder play in Python 3?
a. It temporarily stores files created during the installation process
b. It holds compiled Python bytecode to make future imports faster
c. It saves configuration files related to the project
d. It serves as a backup location for project files
Option b – It holds compiled Python bytecode to make future imports faster
What command lets you run a Python script from the terminal?
a. python script.py
b. run script.py
c. python start script.py
d. execute script.py
Option a – python script.py
Why do Python projects use the __init__.py file?
a. It sets attributes that apply to the entire project
b. It defines the version of the project
c. It allows the project to access external libraries
d. It runs initialization code when the project or a module is imported
Option d – It runs initialization code when the project or a module is imported
What is the correct way to create a setup.py file in a Python project?
a. Manually write a setup.py file containing the needed metadata
b. Use the command python create setup.py
c. Run python build setup.py project_name
d. Use python setup.py create project_name
Option a – Manually write a setup.py file containing the needed metadata
What does the entry_points argument in setup.py specify?
a. The version number of the project
b. Which external libraries the project needs
c. The starting point(s) for running or executing the project
d. Specific attributes associated with the project
Option c – The starting point(s) for running or executing the project
How is the project version defined inside the setup.py file?
a. Set the version field within the setup() method
b. Use python setup.py version project_version from the command line
c. Assign the version in the main module’s version attribute
d. Use the python set version project_version command
Option a – Set the version field within the setup() method
How do you include non-code files in your Python package distribution?
a. Declare the files using the data_files option in setup.py
b. Place the files into the project directory before building the package
c. List the files inside a MANIFEST.in file
d. Add them to an “extras” directory bundled with the package
Option c – List the files inside a MANIFEST.in file
What is the function of the install_requires field in setup.py?
a. It indicates compatible Python versions for the project
b. It lists third-party packages and versions the project depends on
c. It specifies the tools required to build the package
d. It defines the entry point of the application
Option b – It lists third-party packages and versions the project depends on
What is the primary use of the matplotlib library in Python?
a. Saving data in serialized formats
b. Compressing files
c. Creating visual representations of data
d. Developing web applications
Option c – Creating visual representations of data
Why is the collections module used in Python?
a. Performing advanced math calculations
b. Handling various types of container data structures
c. Creating web platforms
d. Building visual charts
Option b – Handling various types of container data structures
What is the main function of the pandas library in Python?
a. Performing scientific computations
b. Managing and analyzing datasets
c. Designing web applications
d. Executing math operations
Option b – Managing and analyzing datasets
What is the typical use of the flask package in Python?
a. Building web applications
b. Generating data charts
c. Conducting scientific analysis
d. Managing database systems
Option a – Building web applications
Which Python module is primarily used for writing and executing unit tests?
a. unittest
b. test
c. testing
d. pytest
Option a – unittest
What is the xml module mainly used for in Python?
a. Creating websites
b. Handling scientific operations
c. Managing structured data formats like XML
d. Performing file input and output tasks
Option c – Managing structured data formats like XML
What functionality does the scrapy package offer in Python?
a. Conducting scientific research
b. Extracting data from websites
c. Interacting with databases
d. Visualizing data
Option b – Extracting data from websites
What is the main purpose of the argparse module in Python?
a. Creating web-based systems
b. Making visual plots
c. Parsing command-line arguments
d. Running scientific simulations
Option c – Parsing command-line arguments
Why is the sqlalchemy package used in Python?
a. Carrying out scientific calculations
b. Developing websites
c. Working with databases
d. Displaying graphical data
Option c – Working with databases
What does the logging module do in Python?
a. Used for building web platforms
b. Helps in visualizing information
c. Records messages during a program’s execution
d. Supports scientific programming
Option c – Records messages during a program’s execution
What is the primary role of the pillow package in Python?
a. Carrying out advanced scientific computations
b. Web development
c. Manipulating and processing image files
d. Producing visual reports
Option c – Manipulating and processing image files
What is the purpose of the pytest library in Python?
a. Handling scientific data
b. Designing web pages
c. Writing and managing automated test cases
d. Creating graphs and charts
Option c – Writing and managing automated test cases
When should you use the asyncio module in Python?
a. Developing web applications
b. Running asynchronous code and managing concurrent tasks
c. Conducting scientific research
d. Creating data visualizations
Option b – Running asynchronous code and managing concurrent tasks
What does the itertools module help with in Python?
a. Building websites
b. Performing scientific operations
c. Solving mathematical problems
d. Providing efficient looping constructs with iterators
Option d – Providing efficient looping constructs with iterators
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