How to create a grading system in Python? [closed]

2024/10/6 22:22:46

I have an assignment for school and one of the tasks is to display the grades that the students will be receiving. The grades are:

  • A: 90% +
  • B: 80% - 89%
  • C: 70% - 79%
  • D: 60% - 69%
  • E: 50% - 59%

Here is some of the file, it's a comma-separated CSV file:

StudentName Score
Harrison    64
Jake    68
Jake    61
Hayley  86

I would like to know/get some guidance so I have a better understanding how to create the grade calculator. I have spent ages trying to work it out but have had no hope. My code:

def determine_grade(scores):if scores >= 90 and <= 100:return 'A'elif scores >= 80 and <= 89:return 'B'elif scores >= 70 and <= 79:return 'C'elif scores >= 60 and <= 69:return 'D'elif scores >= 50 and <= 59:return 'E'else:return 'F'
Answer

You can use bisect from Python's standard library for this purpose.

import bisect def determine_grade(scores, breakpoints=[50, 60, 70, 80, 90], grades='FEDCBA'):i = bisect.bisect(breakpoints, scores)return grades[i]
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