Python Online Test

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About the test

The Python online test assesses knowledge of programming in the Python language and commonly used parts of the Python Standard Library. This test requires solving live coding problems in Python.

The assessment includes work-sample tasks such as:

  • Working with Python collections and language constructs.
  • Using proper algorithms and data structures to optimize application performance.
  • Serializing to/from JSON to handle web requests.

A good Python developer needs a solid understanding of the Python programming language and knowledge of its data structures and language constructs to write robust and maintainable code.

Sample public questions

15 min

A user interface contains two types of user input controls: TextInput, which accepts all characters and NumericInput, which accepts only digits.

Implement the class TextInput that contains:

  • Method add(self, character) - adds the given character to the current value
  • Method get_value(self) - returns the current value

Implement the class NumericInput that:

  • Inherits TextInput
  • Overrides the add method so that each non-numeric character is ignored

For example, the following code should output "10":

input = NumericInput()
10 min

Implement the function find_roots to find the roots of the quadratic equation: ax2 + bx + c = 0. The function should return a tuple containing roots in any order. If the equation has only one solution, the function should return that solution as both elements of the tuple. The equation will always have at least one solution.

The roots of the quadratic equation can be found with the following formula: A quadratic equation.

For example, find_roots(2, 10, 8) should return (-1, -4) or (-4, -1) as the roots of the equation 2x2 + 10x + 8 = 0 are -1 and -4.

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50 more premium Python questions

Category Tree, Products, Greeter, Tuple Slice, Kilometer Converter, Count Hobbies, Chain Link, Book Sale, Unique Numbers, Moving Total, Max Sum, Reward Points, Flight Connections, Internal Nodes, Is Alpha, Hobbies, Medical Record, Read First Line, Shipping, Book Authors, Crop Ratio, Username, Friend, Log Parser, Random Playlist, File Format, Date Transform, Special Actions, Cargo Ship, Log Patch, Veterinarian, Document Store, Paper Strip, Car Rental, Chinese Box, Segment, Language Teacher, Numbers To Text, Read Write Execute, Action Stack, Ceramic Store, String Occurrence, Stories, Node, XML Navigation, Driver Exam, Paragraph, Procedural Generator, Vectors, Worker.

Skills and topics tested

  • Python
  • Dictionary
  • Exceptions
  • JSON
  • Serialization
  • Sorting
  • Language
  • Strings
  • Tuples
  • Inheritance
  • Method Overriding
  • OOP
  • Conditional Statements
  • Linked List
  • Algorithmic Thinking
  • Set
  • Graphs
  • Lists
  • Tree
  • List Comprehension
  • Iteration
  • Named Tuple
  • Arithmetic
  • Performance Tuning
  • Bug Fixing
  • Integer Division
  • Regex
  • XML
  • Closures
  • Multithreading
  • Monkey Patching
  • Queue
  • Data Structures
  • Stack
  • Stream
  • Dynamic Programming
  • Recursion
  • Dynamic Objects
  • Random
  • Memory Management

For job roles

  • Back-End Developer
  • Python Developer
  • Web Developer

Sample candidate report

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Simple, straight-forward technical testing

TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.

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