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

Easy
15 min
code
Public
AI-resistant
Python
Arithmetic
Iteration
Lists

A gaming company is working on a platformer game. They need a function that will compute the character's final speed, given a map and a starting speed.

The terrain on which the game character moves forward is made from various pieces of land placed together. Implement the function calculate_final_speed which takes the initial speed of the character, and an array of degrees of inclination that represent the uneven terrain.

The speed of the character will increase or decrease proportionally to the incline of the land, as shown in the image below:

Image showing the increase and decrease of character speed.

The magnitude of the angle of inclination will always be < 90°. The speed change occurs only once for each piece of land. The function should immediately return 0 as the final speed if an incline reduces the speed to 0 or below 0, which makes the character lose 1 life.

For example, the below code:

print(calculate_final_speed(60, [0, 30, 0, -45, 0]))

should print:

75
Easy
20 min
code
Public
AI-resistant
Python
Iteration
Lists

Your company is analyzing malware which targets numerical record files.

The malware uses a sliding window over the array of numbers in a file, and tries to match the following pattern:

Tl, -, -, X, -, -, -, Tr

The entire window is moved so that 'X' passes through all the values and is compared to the numbers at the 'Tl' and 'Tr' locations, which are positioned at a constant offset to 'X'.

The malware has the following rules:

  • If the value at the 'Tl' or 'Tr' position of the pattern is bigger or equal to the value at the 'X’ position, the malware replaces the value at 'X' with 0.
  • If the value at the 'Tl' or 'Tr' offset is out of bounds, then the value at 'X' is only compared to the other existing value.
  • The record is processed in two stages: first, all the positions that should be set to 0 are located, using the original values for comparison. Only after all positions have been identified do they get set to 0.

For example, if the values in a record file are the following:

[1, 2, 0, 5, 0, 2, 4, 3, 3, 3]

The expected values after the malware runs are:

[1, 0, 0, 5, 0, 0, 0, 3, 3, 0]

In this example, both '2's, the '4' and the last '3' were replaced by 0.

Implement the simulate function so that the malware behavior is replicated for further study.

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61 more premium Python questions

Category Tree, Kilometer Converter, Chain Link, Unique Numbers, Moving Total, Max Sum, Reward Points, Flight Connections, Internal Nodes, Is Alpha, Hobbies, Medical Record, Read First Line, Crop Ratio, Username, Log Parser, Special Actions, Veterinarian, Document Store, Paper Strip, Segment, Language Teacher, Read Write Execute, Ceramic Store, String Occurrence, XML Navigation, Date Transform, Book Sale, Numbers To Text, Shipping, Company Stock, Airport Networks, Log Patch, Count Hobbies, Book Authors, Friend, Car Rental, Chinese Box, Stories, Driver Exam, Worker, Vectors, Construction Game, Random Playlist, File Format, Flimsy Ladder, Action Stack, Paragraph, Procedural Generator, Cargo Ship, Tuple Slice, Greeter, Node, Planet Search, Digital Flasks, Students, Calories Burned, Circuit Simulator, Chemical Machine, Parking Allocation, Popular Book.

Skills and topics tested

  • Python
  • Dictionary
  • Exceptions
  • Inheritance
  • Method Overriding
  • OOP
  • Linked List
  • Algorithmic Thinking
  • Set
  • Graphs
  • Lists
  • Tree
  • List Comprehension
  • Strings
  • Iteration
  • Named Tuple
  • Bug Fixing
  • Integer Division
  • Language
  • Regex
  • Serialization
  • XML
  • Queue
  • Arithmetic
  • Multithreading
  • Stream
  • Dynamic Objects
  • Sorting
  • AI Code Review
  • Conditional Statements
  • Loops
  • 2D Array
  • Monkey Patching
  • Conditions
  • Performance Tuning
  • Data Structures
  • Dynamic Programming
  • Memory Management
  • Closures
  • Stack
  • Random
  • Tuples
  • Recursion
  • JSON

For job roles

  • Back-End Developer
  • Python Developer
  • Web Developer

Sample candidate report

What others say

Decorative quote

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.

Jan Opperman, Grindrod Bank

Product reviews

G2 - Crowd Badge
G2 - High Performer (2022)
Capterra - 4.5 Stars
Capterra - Shortlist (2023)

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