Exam 98-381 topic 1 question 31 discussion

Actual exam question from Microsoft's 98-381

Question #: 31
Topic #: 1

HOTSPOT -
The ABC organics company needs a simple program that their call center will use to enter survey data for a new coffee variety.
The program must accept input and return the average rating based on a five-star scale. The output must be rounded to two decimal places.
You need to complete the code to meet the requirements.
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
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References: https://www.w3resource.com/python/python-format.php#num

by sagacious_smith at Feb. 15, 2021, 7:07 a.m.

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TusharK

3 years, 7 months ago

Can someone please correct the code below : sum=count=done=0 average=0.0 while (done!=-1): rating = float(input('Enter next rating (1-5), -1 for done')) if rating ==-1: break sum+=rating count+=1 Average=float(sum/count) print ('The average star rating for the new coffee is: ', format(average,'.2f'))

upvoted 1 times

Sarah987

2 years, 1 month ago

You used capital on 'Average'. It should be the lower case and your indentation is wrong. Here is the correct code; sum=count=done=0 average=0.0 while (done!=-1): rating = float(input('Enter next rating (1-5), -1 for done')) if rating ==-1: break sum+=rating count+=1 average=float(sum/count) print ('The average star rating for the new coffee is: ', format(average,'.2f'))

upvoted 1 times

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Daan_peacock

4 years, 1 month ago

Because it is numerical

upvoted 1 times

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sagacious_smith

4 years, 2 months ago

the code is wrong. when float(input()) is used to accept the user input, how will it ever match as -1 ? it should be -1.0.

upvoted 3 times

Sarah987

2 years, 1 month ago

if rating == -1: works as it evaluates the value. If you check print(-1.0 == -1) it says True but print(rating is -1) is False.

upvoted 1 times

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Exam 98-381 topic 1 question 31 discussion

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