Dataford
Interview QuestionsInterview GuidesExperiencesCoaching
New
Pricing
Get started
Dataford
Popular roles
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Browse
Browse All RolesEvery role hub, from analyst to MLBrowse All CompaniesCompany-specific interview loopsAll Interview GuidesThe full guide library
Top questions by role
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Top questions by skill
SQLPythonStatisticsMachine LearningA/B TestingSystem DesignGenerative AIProduct SenseMetricsBehavioral
Browse all questions →Try a mock interview
Experiences
Practice
Mock InterviewsTimed interview simulations with feedbackCoaching1:1 coaching with people at your target companiesSuccess PathYour 6-week structured planModulesCurated lessons by topicWebinarsTalks from ex-Big Tech data leadsPlaygroundA free-form scratch editor
Learn
BlogInterview strategy and career adviceTech Job Market ReportHiring trends across data and AI rolesFor UniversitiesDataford for career centersAbout DatafordWho we are and how we build
Pricing
Build my plan
Average Calculation With Mixed Signs
00:00
5 left

Average Calculation With Mixed Signs

EasyPython

Problem

How would you calculate the average of a list of integers when the list includes positive and negative values?

Implement calculate_average(nums), which accepts a non-empty list of integers and returns its arithmetic mean as a floating-point number. The result should be computed as the sum of all values divided by the number of values.

Constraints

  • 1 <= len(nums) <= 1000
  • -10^9 <= nums[i] <= 10^9
  • nums contains at least one integer
  • Return the arithmetic mean as a floating-point value

Function Signature

def calculate_average(nums):
Interviewer

Your question is Average Calculation With Mixed Signs. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

You need to log in / sign up to run or submit.
CodePython 3
Sign up free to run your codeLog inLn 2
Run your code to see test output here.