Python interview questions for experienced

 Hiring a Python developer requires precise
preparation and a careful approach, a well-
defined and well-planned hiring process.
 This article has interview question for
experienced python developers and some
tips on how you could identify the best
python developers.
www.interviewmocha.com

 These are the basic skills required for a
Python developer:
 Must have Skills
 Nice to have Skills

 Core Python (I know this obvious but just to
make it a quick checklist
 Web frameworks (such as Django)
 Object-relational mappers
 Understanding of multi-process architecture
 Understanding of how to use RESTful APIs
 Should know how to build Python application

 Basic understanding of front-end technologies,
such as JavaScript, HTML5, and CSS3
 Database knowledge
 Understanding of Systems administration
and Scriptwriting
 Other programming languages like Java or C++
 Also understand the candidate’s communication
skills, problem-solving and decision-making
ability while assessing him for above skills.

 Before bringing in the candidates for the
interview, make sure to assess the candidates
with online python coding test to determine
the top one percent of python developers.
 As an employer, you can easily evaluate
candidate’s knowledge on various concepts,
frameworks, and coding with this advanced
python coding test for experienced.

 These Simulation-based Python online tests prove to
be the most reliable way of testing candidate’s python
programming skills. Evaluate the knowledge of
candidates and coding style with the assessments
that are created by a team of Subject Matter Experts.
These tests give balanced emphasis to both theory
and coding questions.

 When structuring your interview, spend time
figuring out which questions you want to ask.
Here is the list of some balanced coding and
practical sample python interview questions
for experienced.

 1.What will be the output of the code below in Python
2? Explain your answer.
 def div1(x,y):
 print “%s/%s = %s” % (x, y, x/y)
 def div2(x,y):
 print “%s//%s = %s” % (x, y, x//y)
 div1(5,2)
 div1(5.,2)
 div2(5,2)
 div2(5.,2.)
 Also, how would the answer differ in Python 3
(assuming, of course, that the above [print]
statements were converted to Python 3 syntax)?

 2.What are the key differences between
Python 2 and 3?
 3.What are some alternative
implementations to CPython?When and why
might you use them?
 4. How does Python’s garbage collection
work?
 5.What is the difference between range and
xrange? How has this changed over time?

 6. Here’s a function (Provide a function).
Optimize it for me.
 7.What will be the output of the code below?
 List = [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]
 print list [10:]
 8. How does the GIL impact concurrency in
Python?What kinds of applications does it
impact more than others?
 9. How do you iterate over a list and pull
element indices at the same time?
 10. How do you enforce ordering for a
dictionary-style object?

 11. How many ways can you append or
concatenate strings?Which of these ways is
fastest? Easiest to read?
 12.What is PYTHONSTARTUP and how is it
used?
 13.Write a code for downloading a CSV in
Python2 and Python3. (Provide a link to CSV file)
 14. I’m getting a maximum recursion depth error
for a function.What does this mean? How can I
mitigate the problem?

 15. Here’s a class hierarchy with some methods
defined.When I call this function, what gets printed?
 Apart from these technical questions, ask these
following general questions to find out more about
candidates Python skills
 16.What’s your favorite standard library module?
 17.Tell me something you don’t like about Python.
 18.What was the most interesting project you have
participated in? Can you describe it and tell why you
consider it to be so interesting?

 19. Do you like to participate in the analysis,
design and deployment phases of a project or do
you prefer to concentrate on the pure
development of well-described task?Why?
 20. I have noticed you listed Skill X on your CV.
What’s your opinion about it?
 21. Do you remember any programming project
decision you made that was a failure?Why do
you think it was a mistake?Why did it happen?
What did you learn from this experience?

 Along with these look whether the candidate stays up to
date with the latest developments?
 Ask him the question related to trending technologies and
updations.
 See if the candidate is active on Github?
 Ask him which blogs do he follows, whom does he follow
onTwitter?
 Do they contribute to any open source software projects?
Do they help people on Question answer forums?
 In short, how strong is their interest in their python?
 Try giving a task or project to the candidate with a real
issue that you had encountered previously on your
Python-focused software architecture problems.

 It is just a two steps process after you source candidates.
 First – Assess candidates with the python online coding
test and then
 Second – Interview only those relevant candidates who
passed the test.
 With python coding skills assessment you will be 70
percent sure that the candidate is a good and competent
python developer. Now just to be 100 percent sure you
need to conduct the last step, interview.

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Python interview questions for experienced

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Python interview questions for experienced