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About the test:

The Python Online Test evaluates a candidate's ability to use Python data structures (strings, lists, dictionaries, tuples), manage files, handle exceptions and structure code using Object-Oriented Programming principles. The Python coding assessment uses code-tracing and scenario-based MCQ questions to evaluate hands-on Python coding skills.

Covered skills:

  • Python fundamentals (variables; loops; functions)
  • Errors and exceptions handling
  • Data Structures (lists; tuples; dictionaries; sets)
  • Reading and writing files
See all covered skills

9 reasons why
9 reasons why

Adaface Python Online Test is the most accurate way to shortlist Python Developers

Reason #1

Tests for on-the-job skills

The Python Online test helps recruiters and hiring managers to identify qualified Python developer candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves expensive engineering time by filtering out unqualified candidates.

The Adaface Python Online Test screen candidates for the typical skills recruiters look for in a Python developer:

  • Working with data structures (strings, lists, tuples, dictionaries and sets)
  • Processing images, CSVs, PDFs, and other files
  • In-built and custom modules and functions in Python like zip and filter
  • Object-oriented programming (Inheritance, Encapsulation, Polymorphism, and Data abstraction)
  • Handling database CRUD operations using Python
  • Generators, Comprehensions and Lambda Expressions
  • Testing, debugging and handling errors and exceptions in Python programs
  • Extracting data from websites using web scraping libraries like Selenium

The insights generated from this assessment can be used by recruiters and hiring managers to identify the best candidates for the role. Anti-cheating features enable you to be comfortable with conducting assessments online. The Python developer test is ideal for helping recruiters identify which candidates have the technical skills to do well on the job.

Reason #2

No trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface ->
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

These are just a small sample from our library of 10,000+ questions. The actual questions on this Python Online Test will be non-googleable.

🧐 Question


ZeroDivisionError and IndexError
                        What will the following Python code output?


  • B C D E
  • B C E
  • C D E
  • C E
  • C
  • A D
  • A D E
  • A E


File Handling
                        The function high_sess should compute the highest number of events per session of each user in the database by reading a comma-separated value input file of session data. The result should be returned from the function as a dictionary. The first column of each line in the input file is expected to contain the user’s name represented as a string. The second column is expected to contain an integer representing the events in a session. Here is an example input file:
Your program should ignore a non-conforming line like this one.
                        The resulting return value for this file should be the following dictionary: { 'Stark':12, 'Black':25, 'Tony':10, 'Widow':14 }
                        What should replace the CODE TO FILL line to complete the function?


  • OPTION 1
  • OPTION 2
  • OPTION 3
  • OPTION 4


Max Code
                        Below are code lines to create a Python function. Ignoring indentation, what lines should be used and in what order for the following function to be complete:


  • 2, 8, 4, 5, 6
  • 2, 3, 7, 5, 6
  • 3, 2, 7, 5, 9
  • 3, 2, 4, 5, 9
  • 2, 3, 4, 1, 6
  • 2, 3, 7, 1, 6


Longest Road
                        A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. 

The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor.

The input is an array of "strings" which needs to be converted from string to integer/number inside the function.
    🧐 Question🔧 Skill


    ZeroDivisionError and IndexError
    2 mins


    File Handling
    2 mins


    Max Code
    2 mins


    Longest Road
    25 mins
    🧐 Question🔧 Skill💪 Difficulty⌛ Time
    ZeroDivisionError and IndexError
    Medium2 mins
    File Handling
    Hard2 mins
    Max Code
    Easy2 mins
    Longest Road
    Medium25 minsSolve
    Reason #4

    1200+ customers in 75 countries


    With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!

    Brandon Lee, Head of People, Love, Bonito

    Reason #5

    1 click candidate invites

    Email invites: You can send candidates an email invite to the Python Online Test from your dashboard by entering their email address.

    Public link: You can create a public link for each test that you can share with candidates.

    API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

    Reason #6

    Detailed scorecards & comparative results

    Reason #7

    Designed for elimination, not selection

    The most important thing while implementing the pre-employment Python Online Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

    Reason #8

    High completion rate

    Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

    This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

    Reason #9

    Advanced Proctoring

    How does the test differ for Senior and Junior developers?

    Our subject matter experts customize the test according to seniority in two ways:

    • The topics chosen for senior developers will be of higher level whereas for junior developers the topics will be around the core basics. This will ensure that the senior developers are tested on on-the-job skills that they are expected to have
    • Difficulty level of questions will be varied based on the seniority level. This way senior developers are vetted on in-depth usage of the core topics whereas junior developers are vetted on the knowledge of core topics

    Here are few topics assessed in Senior developer assessments:

    • Creating custom error classes
    • Advanced Collections: Named Tuples, Default Dictionary, Counters, Ordered Dictionary, Queues and Deques
    • Advanced Functions: Zipping, Unzipping, Evaluating expressions, Memory view, Mapping objects with lambda, Enumerating objects and Executing Python expressions
    • Generator functions with many yield statements and Generator expressions
    • Asynchronous programming using threads
    • Working with data science libraries like NumPy, Pandas
    • Metaprogramming and Introspection
    • Knowledge of decorators, closures, function factory and method chaining
    • Building REST APIs using Python
    • Managing project dependencies
    • Creating and publishing Python packages
    • Building Logger to indicate the problems
    • Metaclass: Built-in metaclasses and building custom metaclass

    What roles can I use the Python Online Test for?

    • Python Developer
    • Software Developer (Python)
    • Senior Python Developer
    • Data Engineer (Python)
    • Data Scientist (Python)
    • Quality Assurance Engineer (Python)
    • Senior Software Engineer (Python)
    • DevOps Engineer (Python)

    What topics are covered in the Python Online Test?

    Strings and Numbers
    String Formatting
    Lists, Dictionaries, Tuples, and Sets
    Functions and lambdas
    args/kwargs and default parameter values
    The concept of mutability
    Built-in Functions
    Debugging and Error Handling
    Type hinting
    Modules and installing libraries
    Object-Oriented Programming
    Functional Programming
    Composition and Inheritance
    File I/O
    Database interactions
    Unit testing
    Regex (Regular Expressions)
    Web Scraping
    Algorithms and Data Structures
    Asynchronous programming
    Singapore government logo

    The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.

    reduction in screening time

    Python Online Test FAQs

    Can I evaluate Django and Python in the same test?

    Yes. You can review our standard Python and Django test to get a sense of how Django and Python are evaluated in a single test. The final assessment would have questions to evaluate Django, Python and Coding skills.

    Can I evaluate frontend development skills like Django, HTML/ CSS and Python in the same test?

    Yes. You can screen multiple skills in a single test. You can review our standard Python Django test and HTML/ CSS test to understand what kind of questions would be used to evaluate those skills. Once you purchase a plan, you can get a customized assessment with questions to evaluate all the must-have skills of your job description.

    Can I evaluate web scraping technologies like Selenium and Python in the same test?

    Yes. We support testing Selenium and Python in the same test. You can check our Selenium test to understand how we design Selenium questions. The final assessment will have scenario-based MCQ questions to evaluate Selenium, Python and coding questions to evaluate hands-on Python programming skills.

    Can I use this test to evaluate Data Scientists?

    Yes. We customize the questions based on how the candidate will use Python in their work projects. For Data Science candidates, the test will evaluate Python and Data science concepts in the same test. You can review our Data Science Online Test and Machine Learning Online Test to get a sense of how we design questions for evaluating Data Science skills.

    Can I combine multiple skills into one custom assessment?

    Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify.

    Do you have any anti-cheating or proctoring features in place?

    We have the following anti-cheating features in place:

    • Non-googleable questions
    • IP proctoring
    • Web proctoring
    • Webcam proctoring
    • Plagiarism detection
    • Secure browser

    Read more about the proctoring features.

    How do I interpret test scores?

    The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

    What experience level can I use this test for?

    Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

    Does every candidate get the same questions?

    Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

    I'm a candidate. Can I try a practice test?

    No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

    What is the cost of using this test?

    You can check out our pricing plans.

    Can I get a free trial?

    Yes, you can sign up for free and preview this test.

    I just moved to a paid plan. How can I request a custom assessment?

    Here is a quick guide on how to request a custom assessment on Adaface.

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