freecodecamp--freecodecamp/curriculum/challenges/english/blocks/daily-coding-challenges-python/6a26df3e2988bcdded204895.md

id, title, challengeType, dashedName

id	title	challengeType	dashedName
6a26df3e2988bcdded204895	Challenge 359: Golf Handicap Calculator	29	challenge-359

--description--

Given an array of golf scores and a corresponding array of course par values, return the golfer's handicap index using the following method:

• Calculate the differential for each round by subtracting the par from the score, then return the average of all differentials rounded to one decimal place.

--hints--

calculate_handicap([72, 72, 72], [72, 72, 72]) should return 0.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(calculate_handicap([72, 72, 72], [72, 72, 72]), 0)`)
}})

calculate_handicap([80, 76, 78, 78], [72, 72, 72, 72]) should return 6.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(calculate_handicap([80, 76, 78, 78], [72, 72, 72, 72]), 6)`)
}})

calculate_handicap([42, 45, 46, 44], [36, 36, 36, 36]) should return 8.3.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(calculate_handicap([42, 45, 46, 44], [36, 36, 36, 36]), 8.3)`)
}})

calculate_handicap([85, 80, 76, 79, 82], [72, 72, 72, 71, 71]) should return 8.8.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(calculate_handicap([85, 80, 76, 79, 82], [72, 72, 72, 71, 71]), 8.8)`)
}})

calculate_handicap([41, 50, 48, 52, 46, 49], [35, 37, 35, 37, 35, 37]) should return 11.7.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(calculate_handicap([41, 50, 48, 52, 46, 49], [35, 37, 35, 37, 35, 37]), 11.7)`)
}})

--seed--

--seed-contents--

def calculate_handicap(scores, pars):

    return scores

--solutions--

def calculate_handicap(scores, pars):
    differentials = [s - p for s, p in zip(scores, pars)]
    average = sum(differentials) / len(differentials)
    return int(average * 10 + 0.5) / 10