Python

Python Interview Questions and Answer Part – 2

January 29, 2020 comments off

Which argument would you use in a Python function to obtain a dictionary of all the named arguments passed?

  • Keyword Arguments (**kwargs) (Ans)
  • *args
  • The NoneType argument
  • Regular function arguments

To create a virtual environment, you use the following command:

  • virtualenv-create
  • virtualenvironment
  • virtualenv (Ans)
  • virtual-env

A nested function can access its parent’s function variable and use that data within it.

  • True (Ans)
  • False

To install a Python package using pip, you use:

  • pip install (Ans)
  • pip get
  • pip add
  • pip uninstall

Flask is used:

  • as a Python utility library.
  • as a Web microframework. (Ans)
  • as a general purpose Python library.
  • Similarly to how pip is used.

One of the Python packages used for creating executable files out of Python code is called:

  • PyInstaller (Ans)
  • PyMaker
  • Flask
  • Django

Python requires us to declare types such as int, string, and char[] before declaring a variable

  • True
  • False (Ans)

In order to group multiple objects in one variable, you use:

  • array
  • list (Ans)
  • collection
  • dictionary

When creating two instances of the same class, those two instances will share all the data automatically

  • True
  • False (Ans)

In Python, a class can inherit from exactly this number of parent classes

  • 1
  • Many (Ans)
  • None
  • 3

To help debug your application, you can set something called a:

  • Stop point
  • Pause
  • Resume point
  • Breakpoint (Ans)

The constructor method in Python classes looks similar to this

  • def initialize(self):
  • def constructor():
  • def init(self): (Ans)
  • There is no constructor method in Python classes

What is the result of the following code?

names = [“Jonathan”, “Bo”, “Layla”, “Kristin”]
for name in names:
if name == “Bo”:
print(“Found the instructor!”)
break
print(“{0} is not the instructor”.format(name))

  • It will print “Jonathan is not the instructor”, after which it will print “Found the instructor” and then stop the for loop. (Ans)
  • It will print “Jonathan is not the instructor”, after which it will print “Found the instructor” and continue to print the rest of the list.
  • It will print “Kristin is not the instructor”, after which it will print “Found the instructor” and stop the for loop.
  • It will print all the names from the list.

Which one of the following is a valid dictionary?

  • All of them (Ans)
  • { “name”: “Mark” }
  • { “name”: “Mark”, “student_Id”: 16135 }
  • { “name”: “Bo”, “student_id”: 42671, instructor: True }

What keyword do we use in a function when we want to return the data to the function caller?

  • respond
  • give_back
  • print()
  • reply
  • return (Ans)

Class attributes do share their value across different instances of that class.

  • True, but only if the class attribute name has a dash.
  • False
  • False, except when the class attribute name starts with a capital letter.
  • True (Ans)

Which function in unittest will run all of your tests?

  • unittest.execute()
  • unittest.run()
  • unittest.main() (Ans)
  • unittest.generate_report()

What is one way to create a list from another sequence?

  • a with-statement
  • the list constructor (Ans)
  • the split() method
  • the make_string() function

What does PDB’s where command do?

  • Prints the current call stack (Ans)
  • Shows where an attribute was initially defined
  • Prints directory containing the current source file
  • Prints the current timezone

When converting a float to an integer with the int() constructor in which direction is rounding?

  • Towards zero (Ans)
  • Away from zero
  • Towards the nearest integer
  • Towards positive infinity
    E. Towards negative infinity

What is one way in which exceptions are superior to error codes?

  • They are faster.
  • They cannot be easily ignored. (Ans)
  • They aren’t part of a function’s API.
  • Python doesn’t support error codes.

What does Python’s id() function return?

  • A unique identifier for an object (Ans)
  • The version of the Python runtime
  • The order in which an object was created
  • The name of an object

Are functions also objects in Python?

  • Yes (Ans)
  • Only if you declare them so explicitly
  • Module-level functions are, but not instance methods
  • No
Rajesh Kumar
Follow me
Latest posts by Rajesh Kumar (see all)