IsExactEqual

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---

Could be qualified as the simplest form of evaluation function, testing exact equality. This function will use the default python == test to compare answer and responses. It doesn't infer any types - meaning it requires a params.type to be supplied.

Inputs

This function requires a parameter to function properly:

{ 
  "params": {
    "type": "<string>" (any of ["int", "float", "str", "dict"])
  }
  "response": <>,
  "answer": <>
}

When a student submits a response to a response area the number of previously submitted responses submitted to the same response area byt the same student will be sent to the evaluation function. The following format is used:

{
    "submission_context": {
        "submissions_per_student_per_response_area": # non-negative integer that represent the number of previously processed responses
    }
}

The total number of submitted responses (i.e. the number of processed response + 1) can be displayed in the feedback by setting adding a field named display_submission_count to params and set its value to true.

Outputs

Outputs to the grade command will feature:

{
  "command": "eval",
  "result": {
    "is_correct": "<bool>"
  }
}

Examples

Simple String Comparison

{
  "answer": "hydrophobic",
  "response": "hydrophobic",
  "params": {
    "type": "str"
  }
}

Displaying number of submitted responses in the feedback

{
  "answer": 1,
  "response": 1,
  "params": {
    "type": "int",
    "display_submission_count": true
  }
}