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Common Python Interview Questions and Answers for Freshers
Why is the pickle module used in Python?
a. To manage pickles and food preservation
b. To carry out database-related tasks
c. To convert Python objects into a byte stream and restore them
d. To process and manipulate image files
Option c – To convert Python objects into a byte stream and restore them
What method allows a Python file to avoid running its code when imported?
a. Place a comment at the top of the script
b. Implement the if __name__ == "main": condition
c. Add a special symbol before the file name
d. Enclose the entire code inside a function
Option b – Implement the if __name__ == “main”: condition
Which Python module is designed for handling network communications?
a. net
b. network
c. socket
d. web
Option c – socket
What function does the subprocess module serve in Python?
a. It is used for handling regular expressions
b. It runs external programs and manages system-level commands
c. It deals with graphic editing
d. It is part of Python’s built-in tools
Option b – It runs external programs and manages system-level commands
What is one way to find the version of an installed Python package?
a. check_version(module_name)
b. version(module_name)
c. module_version(module_name)
d. pip show module_name
Option d – pip show module_name
Which Python module helps in accessing system environment variables?
a. env
b. variables
c. os.environ
d. config
Option c – os.environ
What is the role of the configparser module in Python?
a. To manage configuration files and settings
b. To perform mathematical operations on arrays
c. To serve as a built-in standard module
d. To handle reading and writing of files
Option a – To manage configuration files and settings
How do you set up a virtual environment in Python?
a. create venv
b. python -m venv myenv
c. virtualenv create myenv
d. venv -create myenv
Option b – python -m venv myenv
Which module handles logging functionality in Python?
a. log
b. logging
c. logger
d. logmanager
Option b – logging
What does a namespace in Python represent?
a. A special reserved word
b. A group of modules
c. A structure that holds identifiers like variables and functions
d. A Python code file
Option c – A structure that holds identifiers like variables and functions
What is the function of a variable declared at the module level?
a. It is limited to use inside a function
b. It can be accessed throughout the module
c. It is part of a class definition
d. It manages errors and exceptions
Option b – It can be accessed throughout the module
How does Python manage name clashes between different modules?
a. By limiting the length of module names
b. By assigning a unique ID to each module
c. By wrapping each module inside a class
d. By implementing a namespace system
Option d – By implementing a namespace system
What does the from module import * command do?
a. It brings all attributes and functions from the module into the current scope
b. It pulls in only the main method from the module
c. It assigns a shortcut name to the module
d. It is an invalid import syntax in Python
Option a – It brings all attributes and functions from the module into the current scope
Why is the __all__ attribute used in a Python module?
a. It defines which components should be made available when using from module import *
b. It declares which variables are private
c. It manages error handling in the module
d. It is not a recognized attribute in Python modules
Option a – It defines which components should be made available when using from module import *
What is the correct way to access a function named func() from the module mymodule without bringing in the whole module?
a. import func from mymodule
b. mymodule.func()
c. from mymodule import func
d. access func in mymodule
Option c – from mymodule import func
What does the __doc__ attribute represent in Python?
a. A reserved keyword in Python syntax
b. The built-in documentation string for a module
c. A tool used for handling exceptions
d. The version identifier for a module
Option b – The built-in documentation string for a module
Which of the following is used to define a namespace in Python?
a. create namespace
b. namespace = {}
c. new namespace
d. namespace()
Option b – namespace = {}
How can a new module be created in Python?
a. By declaring a class in an existing script
b. By writing a separate Python file containing functions and variables
c. By importing modules from the standard library
d. By calling the module() function
Option b – By writing a separate Python file containing functions and variables
What is the role of the __name__ attribute in a Python module?
a. It is a predefined keyword
b. It helps retrieve the version of the module
c. It provides documentation for the module
d. It determines whether the module is executed directly or imported
Option d – It determines whether the module is executed directly or imported
What is the way to define a function or variable as private in a Python module?
a. Use the private keyword
b. Prefix the name with double underscores __
c. Move it into a different script file
d. Use the hidden keyword
Option b – Prefix the name with double underscores __
Why is the if __name__ == "__main__" condition used in Python scripts?
a. It is mandatory in all Python programs
b. It leads to a syntax error if used
c. It ensures that code runs only when the module is executed directly, not when imported
d. It serves to define the main function of the program
Option c – It ensures that code runs only when the module is executed directly, not when imported
How can you bring functions and variables from one module into another?
a. By using an import statement
b. By giving them the same names in both modules
c. By applying the merge function
d. By copying the code manually between files
Option a – By using an import statement
What is the function of the __init__.py file in a Python module directory?
a. It causes a syntax error if present
b. It initializes all module-level variables
c. It marks the folder as a Python package
d. It stores the main routine of the package
Option c – It marks the folder as a Python package
How can specific functions or variables be brought into a script from a module?
a. By writing them with the include keyword
b. By listing them after the import keyword
c. By using the from keyword followed by the module name
d. By applying the with keyword
Option c – By using the from keyword followed by the module name
Which Python module is commonly used for sending emails?
a. smtplib
b. email
c. imaplib
d. poplib
Option a – smtplib
What does the __all__ variable represent in a Python module?
a. It specifies which functions and classes should be accessible when using a wildcard import
b. It helps bring in all modules from a package
c. It controls name visibility within a module
d. It is necessary for calling any function from the module
Option a – It specifies which functions and classes should be accessible when using a wildcard import
What is the correct method to create a custom Python module?
a. Save your code in a file with a .mod extension
b. Write a script and save it using a .py extension
c. Use a .bin file to store your script
d. Save the content in a .json file
Option b – Write a script and save it using a .py extension
What is the proper way to call a function from a Python module?
a. Mark the function as global within your script
b. Reference the function using the module name and a dot
c. Import only that function into your script
d. Define the function directly in your program
Option b – Reference the function using the module name and a dot
Which of the following statements accurately describes Python modules?
a. Modules are not reusable across different scripts
b. You must always explicitly import modules before using them
c. Modules are limited to classes only, not functions
d. External modules can be downloaded and imported into your project
Option d – External modules can be downloaded and imported into your project
What is the best practice for managing errors within Python modules?
a. Implement try-except statements
b. Use conditional if-else checks
c. Let the errors go unhandled
d. Apply the assert keyword for all error scenarios
Option a – Implement try-except statements
Which command allows importing all contents of a module into the current namespace?
a. from module import *
b. import all from module
c. import module as all
d. import * from module
Option a – from module import *
What is an effective way to prevent naming collisions when importing multiple Python modules?
a. Change the names of conflicting elements manually
b. Keep each module in its own namespace
c. Use identical names for different elements
d. Let Python resolve the name conflicts automatically
Option a – Change the names of conflicting elements manually
Which of the following options is a correctly formatted module name in Python?
a. my-mnodule
b. my_module
c. my module
d. myModule
Option b – my_module
What happens when you attempt to import a module that doesn’t exist?
a. A runtime error is thrown
b. Python generates the module automatically
c. The import line is ignored by the interpreter
d. A warning appears, but the code runs anyway
Option a – A runtime error is thrown
How can built-in Python modules be accessed?
a. By using the import keyword in your code
b. By creating the modules manually
c. By downloading them externally
d. By writing them from scratch
Option a – By using the import keyword in your code
Which Python module is commonly used to create and manage threads?
a. threading
b. thread
c. concurrent
d. multiprocessing
Option a – threading
What is the correct way to import a specific module from a package in Python?
a. Use the import_module function from the importlib module
b. Use dot notation to specify the package and module names
c. First import the package, then refer to the module
d. Define the module name inside the package’s init.py file
Option b – Use dot notation to specify the package and module names
What is one way to install a Python module from a version control platform?
a. Clone the repository and execute the setup.py file
b. Download the module as a compressed ZIP file
c. Use the module’s version control URL with the svn tool
d. Call the install() function provided by the module
Option d – Call the install() function provided by the module
Which module provides tools for implementing network-related programs in Python?
a. socket
b. network
c. Connect
d. internet
Option a – socket
What is the proper method for creating a Python module that functions as a package?
a. Create a special __init__.py file in the package directory
b. Place the module inside a subdirectory
c. Rename the module file to __init__.py
d. Use the package() function within the module
Option a – Create a special __init__.py file in the package directory
What do we call a piece of code that uses functions and classes from another module?
a. Client
b. Docstring
c. Interface
d. Modularity
Option a – Client
A Python module is a file ending with which of the following extensions?
a. .pymodule
b. .module
c. .pym
d. .py
Option d – .py
How can you build your own Python package?
a. Make a new folder and add your Python modules into it
b. Run the command pip create package name
c. Include the package code directly within your Python script
d. Get a ready-made package from the internet
Option a – Make a new folder and add your Python modules into it
What is the correct way to import a module from a sub-package in Python?
a. import package_name
b. from package_name import module_name
c. import subpackage_name.module_name
d. package_name.subpackage_name.module_name
Option d – package_name.subpackage_name.module_name
Which module is typically used in Python to work with dates and times?
a. datetime
b. time
c. calendar
d. timedelta
Option a – datetime
What does the command pip search package_name do?
a. Looks for the specified package in the Python Package Index (PyPI)
b. Displays a list of installed packages matching the given name
c. Checks for any updates to the package
d. Installs the newest version of the package
Option a – Looks for the specified package in the Python Package Index (PyPI)
How can you upgrade a Python package to its latest version using pip?
a. pip upgrade package_name
b. pip update package_name
c. pip install package_name –update
d. pip install –upgrade package_name
Option d – pip install –upgrade package_name
Which Python module is commonly used to work with databases?
a. sqlalchemy
b. pickle
c. sqlite3
d. requests
Option a – sqlalchemy
What information does the pip show package_name command provide?
a. Displays detailed metadata about the package
b. Shows the actual code for the specified package
c. Lists all versions available for the package
d. Deletes the package from your system
Option a – Displays detailed metadata about the package
How do you install a package from a source archive using pip?
a. pip install package_name.tar.gz
b. pip install package_name.git
c. pip install package_name.zip
d. pip install package_name.source
Option a – pip install package_name.tar.gz
What is the role of the __name__ variable in a Python package?
a. Identifies the name of the package
b. Specifies where the package is located
c. Records the package version
d. Determines the entry point when running the package
Option a – Identifies the name of the package
Which library is often used for machine learning tasks in Python?
a. sklearn
b. tensorflow
c. pandas
d. matplotlib
Option a – sklearn
What does the command pip install -r requirements.txt accomplish?
a. Installs all the libraries listed in the requirements.txt file
b. Removes every installed package
c. Generates a new requirements.txt file
d. Updates the packages mentioned in the file
Option a – Installs all the libraries listed in the requirements.txt file
How can you install a specific version of a Python library using conda?
a. conda install package_name==version_number
b. conda install version_number package_name
c. conda install package_name -v version_number
d. conda install -v package_name/version_number
Option a – conda install package_name==version_number
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