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Python Coding Test - High Level

Useful for hiring

  • Senior Level Python Programmer
  • Python Developer with 3-4 years of experience
  • Python Expert

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Question

Tanika has a set of numbers and has recently studied set theory.
She has created a power set of this set and is writing a program to compute the sum of all elements of all the subsets of a power set. 

The power set of a set X is defined as a set of all possible subsets of X.
Set X consists of all the numbers from 1 to N.

You need to calculate this sum for a given N.

Example
Given N=3,
X={1,2,3}
P(X) = {{1}, {2}, {3}, {1,2}, {1,3}, {2,3}, {1,2,3}}
answer = (1)+(2)+(3)+(1+2)+(1+3)+(2+3)+(1+2+3)
= 24

Input
number N

Output
Sum of all elements of all subsets of number N

Sample Input
3

Sample Output
24


 

Test details:

Python coding test enables recruiters and hiring managers to effectively gauge the Python programming skills of a candidate before an interview. The Python programming test is designed & validated by experienced subject matter experts to assess & hire senior Python developers as per the industry standards.

Python programming test contains MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, True or False. The Python coding test contains 2 advance level coding questions on Python to check the programming skills of a candidate.


Test Duration: 80 minutes
2 Application Questions

Test description:

Python is a high-level programming language which supports multiple programming paradigms which include object-oriented, imperative and functional programming. The candidate should have in-depth knowledge of Python language, Python data structures to develop rapid applications, which can be assessed using our Python coding tests depending on their level of experience.
 
We believe that the best way to evaluate a Python programmer for a job is to give him/her a Python coding test. In this high-level Python programming test, the candidate has to write code by using advanced Python coding concepts and error handling techniques to solve the real world problems. Python interview coding test can be taken by candidates from anywhere in the comfort of their time zone.

Python interview test helps to screen the candidates who possess traits as follows:

1.  Ability to write reusable, testable, and efficient code
2.  Strong knowledge of Python frameworks like Django
3.  Understanding of server-side templating languages like Jinja 2, Mako
4.  Experience of working on object-relational mapper libraries
5.  Ability to integrate multiple data sources and databases into one system
6.  Multi-process architecture and event-driven programming in Python
 
Ask us to create customized Python interview programming tests to assess additional traits as follows:
 
1.  Fundamentals of front-end technologies, such as JavaScript, HTML5, and CSS3
2.  Ability to code using programming languages like Java or C++
3.  Basic understanding of version control system like Git to manage code bases, branching, merging, etc.
4.  Ability to write Shell scripts
 
Python developer test helps to automate candidate screening process to save time and administrative hassle. Our coding simulator will evaluate candidate’s written codes using multiple test cases. You will also get a detailed report for each test case execution.

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