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Python Interview Questions for Freshers MCQ for Students
Quick Quiz
What distinguishes a built-in module from a third-party module in Python?
a. Built-in modules come bundled with the Python interpreter, whereas third-party modules need to be installed separately.
b. Built-in modules generally perform faster than third-party ones.
c. Built-in modules offer less flexibility compared to third-party modules.
d. All of the above
Option a – Built-in modules come bundled with the Python interpreter, whereas third-party modules need to be installed separately.
Which of the following is considered a built-in Python module?
a. math
b. numpy
c. pandas
d. requests
Option a – math
Which of these is a third-party Python module?
a. All of the options listed
b. numpy
c. pandas
d. requests
Option a – All of the options listed
How can you determine the functions and variables available in a module?
a. By using the help() function
b. By using the dir() function
c. By using the inspect() module
d. All of the above
Option d – All of the above
What is the correct way to import a specific function or variable from a module?
a. Using the from statement
b. Using the import statement
c. Using the include statement
d. Using the require statement
Option a – Using the from statement
How is a namespace defined in Python?
a. It is an area in the program’s memory that maps names to objects.
b. It is a collection of various modules.
c. It refers to a type of variable.
d. All of the above
Option a – It is an area in the program’s memory that maps names to objects.
What is the difference between a global namespace and a local namespace?
a. The global namespace covers the entire program, while the local namespace applies to a specific function or module.
b. The global namespace operates faster than the local namespace.
c. The global namespace is less flexible than the local namespace.
d. All of the above
Option a – The global namespace covers the entire program, while the local namespace applies to a specific function or module.
Which of the following methods correctly imports a module named my_module?
a. import my_module
b. include my_module
c. require my_module
d. All of the above
Option a – import my_module
How can you import a specific function named add() from my_module?
a. from my_module import add
b. import my_module.add
c. include my_module.add
d. require my_module.add
Option a – from my_module import add
Which of these is the correct way to import all functions and variables from my_module?
a. import my_module
b. from my_module import *
c. include my_module
d. require my_module
Option b – from my_module import *
How can you verify if a module is already loaded?
a. if my_module in sys.modules:
b. if my_module is not None:
c. if my_module:
d. All of the above
Option a – if my_module in sys.modules:
What is the proper way to reload a Python module?
a. importlib.reload(my_module)
b. reload(my_module)
c. my_module.reload()
d. None of the above
Option a – importlib.reload(my_module)
What distinguishes a public function from a private function within a module?
a. A public function is accessible from outside the module, whereas a private function is not.
b. A public function executes faster than a private function.
c. A public function offers less flexibility compared to a private function.
d. None of the above
Option a – A public function is accessible from outside the module, whereas a private function is not.
How is a private function typically declared in a module?
a. By prefixing the function name with double underscores, for example __add__(self, other)
b. By prefixing the function name with a single underscore, for example _add(self, other)
c. By using a private keyword, for example private def add(self, other)
d. None of the above
Option a – By prefixing the function name with double underscores, for example __add__(self, other)
What methods allow access to a private function from outside the module?
a. Using dot notation like my_module._add(x, y)
b. Using the getattr() function, such as getattr(my_module, 'add')(x, y)
c. Private functions cannot be accessed from outside their module.
d. None of the above
Option b – Using the getattr() function, such as getattr(my_module, ‘add’)(x, y)
What advantages do private functions provide?
a. They enable encapsulating internal processes without exposing them externally.
b. They can boost module efficiency by hiding implementation details.
c. They contribute to making the module easier to read and maintain.
d. All of the above
Option d – All of the above
How does a module variable differ from a function variable?
a. Module variables are declared at the module’s top level; function variables are defined within functions.
b. Module variables are accessible throughout the module, while function variables are confined to their function scope.
c. Module variables have better performance than function variables.
d. All of the above
Option b – Module variables are accessible throughout the module, while function variables are confined to their function scope.
What is the correct way to define a variable at the module level?
a. Assign a value directly, e.g., my_variable = 1
b. Use the global keyword, like global my_variable
c. Use a special keyword like module_variable, e.g., module_variable my_variable = 1
d. None of the above
Option a – Assign a value directly, e.g., my_variable = 1
How can you refer to a module variable from inside a function?
a. Using dot notation, for instance, my_module.my_variable
b. Using the global keyword, for example global my_module.my_variable
c. Through the getattr() function, such as getattr(my_module, 'my_variable')
d. Any of the above
Option d – Any of the above
What is the proper way to add a documentation string to a module?
a. Place a triple-quoted string at the very top of the module file.
b. Use a special doc keyword, for example, doc This is a documentation string for my module.
c. It is unnecessary to include a documentation string in a module.
d. None of the above
Option a – Place a triple-quoted string at the very top of the module file.
Which of the following is a widely used web framework in Python?
a. Django
b. Flask
c. Pyramid
d. All of the above
Option d – All of the above
Which of these is a commonly used machine learning library in Python?
a. NumPy
b. Pandas
c. Scikit-learn
d. All of the above
Option d – All of the above
Where can you find good resources to learn more about Python modules?
a. Official Python documentation
b. The Python subreddit community
c. Stack Overflow forum
d. All of the above
Option d – All of the above
How would you best define a Python library?
a. A collection of reusable code available for use in your Python projects
b. A system to organize Python code into modules and packages
c. A way to bring code from other Python programs into your project
d. All of the above
Option d – All of the above
What benefits do Python libraries offer?
a. They save development time by providing ready-made code
b. They enhance readability and maintainability by structuring code into modules and packages
c. They enable easy code sharing through import functionality
d. All of the above
Option d – All of the above
Which of these are examples of popular Python libraries?
a. NumPy, Pandas, and Matplotlib for data science and visualization
b. Django and Flask for building web applications
c. requests, BeautifulSoup, and Selenium for web scraping tasks
d. All of the above
Option d – All of the above
What is the correct way to import a library in Python?
a. Using the import statement
b. Using the from statement
c. Both (a) and (b)
d. None of the above
Option c – Both (a) and (b)
What distinguishes the import statement from the from statement in Python?
a. import loads the entire library, whereas from imports specific functions or classes
b. import is faster than from
c. import is more readable than from
d. None of the above
Option a – import loads the entire library, whereas from imports specific functions or classes
What are some recommended practices when working with Python libraries?
a. Use clear and descriptive names when importing libraries
b. Add documentation explaining how imported libraries are used
c. Maintain consistent coding style throughout your code
d. All of the above
Option d – All of the above
What is the purpose of the pip command?
a. To install Python libraries
b. To update Python libraries
c. To uninstall Python libraries
d. All of the above
Option d – All of the above
What does the virtualenv command accomplish?
a. Creates an isolated Python environment for development
b. Activates an existing virtual environment
c. Deactivates a currently active virtual environment
d. All of the above
Option d – All of the above
How do standard Python libraries differ from third-party libraries?
a. Standard libraries come bundled with Python by default
b. Third-party libraries are created and maintained by external developers
c. Both (a) and (b)
Option c – Both (a) and (b)
What is the most effective approach to minimize the use of global variables?
a. Pass data through function parameters instead of relying on global variables.
b. Retrieve necessary data by using return statements from functions.
c. Structure your code using modules and classes to avoid global scope.
d. All of the above
Option d – All of the above
How should you properly document your code?
a. Add comments to clarify your code logic.
b. Use docstrings to describe the purpose of functions and classes.
c. Include type annotations to specify expected data types of variables and function inputs.
d. All of the above
Option d – All of the above
What is the recommended method for testing your code?
a. Develop unit tests targeting your code functionality.
b. Utilize code coverage tools to assess how much code your tests cover.
c. Combine both unit testing and coverage measurement.
d. None of the above
Option c – Combine both unit testing and coverage measurement.
What are effective techniques for debugging your code?
a. Employ the Python debugger to step through your code.
b. Insert print statements to monitor variable values during execution.
c. Use logging to track program flow and events.
d. All of the above
Option d – All of the above
How do primitive data types differ from non-primitive data types?
a. Primitive types are built-in and basic data types, whereas non-primitive types are typically user-defined.
b. Primitive types are immutable, while non-primitive types generally allow changes.
c. Primitive types tend to operate faster than non-primitive types.
d. All of the above
Option a – Primitive types are built-in and basic data types, whereas non-primitive types are typically user-defined.
Which of the following are examples of primitive data types in Python?
a. int, float, bool, str
b. list, tuple, dict, set
c. class, function, module, package
d. None of the above
Option a – int, float, bool, str
Which of the following are examples of non-primitive data types in Python?
a. list, tuple, dict, set
b. class, function, module, package
c. Both (a) and (b)
d. None of the above
Option c – Both (a) and (b)
What distinguishes sequence data types from mapping data types?
a. Sequences hold elements in a specific order, whereas mappings organize data in key-value pairs.
b. Sequences are mutable, while mappings are immutable.
c. Sequences are generally faster than mappings.
d. None of the above
Option a – Sequences hold elements in a specific order, whereas mappings organize data in key-value pairs.
What are examples of sequence data types in Python?
a. list, tuple, str
b. dict, set
c. class, function, module
d. None of the above
Option a – list, tuple, str
What are examples of mapping data types in Python?
a. dict
b. set
c. class, function, module
d. None of the above
Option a – dict
How should you select the appropriate data type for your requirements?
a. Evaluate the kind of data you will store and how you intend to use it.
b. Take into account your application’s performance and memory needs.
c. Opt for a data type that is clear and straightforward to understand.
d. All of the above
Option d – All of the above
What is the most effective way to create a new set based on a portion of another set?
a. Utilize the set() function
b. Apply the slice() operator
c. Use both (a) and (b)
d. None of these
Option a – Utilize the set() function
How should you best loop through the elements of a set?
a. Use a for loop
b. Use a while loop
c. Either (a) or (b)
d. None of these
Option a – Use a for loop
What is the preferred method to duplicate a set?
a. Use the copy() method
b. Use the deepcopy() method
c. Both methods (a) and (b)
d. None of these
Option a – Use the copy() method
Which approach is best for comparing two sets for equality?
a. Use the == operator
b. Use the is operator
c. Either (a) or (b)
d. None of these
Option c – Either (a) or (b)
How does a literal differ from an expression?
a. A literal is a fixed value directly written in the code, while an expression consists of literals, variables, and operators combined to calculate a result.
b. Literals execute faster than expressions.
c. Literals offer more flexibility than expressions.
d. None of these
Option a – A literal is a fixed value directly written in the code, while an expression consists of literals, variables, and operators combined to calculate a result.
What distinguishes a number from a string?
a. Numbers represent values used in mathematical calculations, while strings are sequences of characters.
b. Numbers cannot be changed (immutable), whereas strings can be modified (mutable).
c. Numbers perform operations faster than strings.
d. All of the above
Option a – Numbers represent values used in mathematical calculations, while strings are sequences of characters.
How does a list differ from a tuple?
a. Lists can be changed after creation (mutable), while tuples cannot (immutable).
b. Lists can contain any data type, but tuples only hold elements of a single data type.
c. Lists operate faster than tuples.
d. All of the above
Option d – All of the above
What sets a dictionary apart from a set?
a. Dictionaries hold data as key-value pairs, while sets contain only unique items.
b. Dictionaries are mutable, but sets are not.
c. Dictionaries process operations faster than sets.
d. All of the above
Option d – All of the above
How can you determine the data type of a variable in Python?
a. By calling the type() function
b. By using the isinstance() function
c. Both (a) and (b)
d. None of these
Option c – Both (a) and (b)
Which option correctly lists valid Python data types?
a. Boolean
b. Integer
c. Float
d. All of the above
Option d – All of the above
What is the distinction between a literal and a variable?
a. A literal is a fixed value written in code, while a variable is a named identifier that refers to a value.
b. Literals are faster than variables.
c. Literals provide greater flexibility than variables.
d. None of these
Option a – A literal is a fixed value written in code, while a variable is a named identifier that refers to a value.
What differentiates a local variable from a global variable?
a. Local variables exist within a function, whereas global variables exist outside all functions.
b. Local variables have faster access compared to global variables.
c. Local variables are more flexible than global variables.
d. None of these
Option a – Local variables exist within a function, whereas global variables exist outside all functions.
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