feat: Add 06-switch/02-grades

06-switch/02-grades/.README.md

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+# Grade an Exam
+
+Write a small function that returns the numerical grade of an exam based on the percentage of points reached.
+
+Use this table for grading:
+
+| PERCENT                   | GRADE                  |
+| ------------------------- | ---------------------- |
+| {{index . "percents" 0}}+ | {{index . "grades" 0}} |
+| {{index . "percents" 1}}+ | {{index . "grades" 1}} |
+| {{index . "percents" 2}}+ | {{index . "grades" 2}} |
+| {{index . "percents" 3}}+ | {{index . "grades" 3}} |
+| otherwise                 | {{index . "grades" 4}} |
+
+For instance, the function should return {{index . "grades" 0}} for a percentage of 100, and {{index . "grades" 4}} for 0.
+
+Insert your code into the file `exercise.go` near the placeholder `// INSERT YOUR CODE HERE`.
+
+HINT: use the [`switch` statement](https://go.dev/tour/flowcontrol/9).

06-switch/02-grades/.exercise_test.go

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+package grades
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGradeExam(t *testing.T) {
+	assert.Equal(t, {{index . "grades" 0}}, gradeExam(100))
+	assert.Equal(t, {{index . "grades" 0}}, gradeExam({{index . "percents" 0}}))
+	assert.Equal(t, {{index . "grades" 1}}, gradeExam({{index . "percents" 1}}))
+	assert.Equal(t, {{index . "grades" 2}}, gradeExam({{index . "percents" 2}}))
+	assert.Equal(t, {{index . "grades" 3}}, gradeExam({{index . "percents" 3}}))
+	assert.Equal(t, {{index . "grades" 4}}, gradeExam(0))
+}

06-switch/02-grades/README.md

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+# PLEASE RUN make generate

06-switch/02-grades/exercise.go

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+package grades
+
+// DO NOT REMOVE THIS COMMENT
+//go:generate go run ../../exercises-cli.go -student-id=$STUDENT_ID generate
+
+// gradeExercise returns the grade of a given task percentage
+func gradeExercise(perfent float32) int {
+	// INSERT YOUR CODE HERE
+}

06-switch/02-grades/exercise.yaml

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+name: grades
+input:
+  - percents:
+      - 80
+      - 60
+      - 40
+      - 20
+    grades:
+      - 5
+      - 4
+      - 3
+      - 2
+      - 1
+  - percents:
+      - 80
+      - 60
+      - 40
+      - 20
+    grades:
+      - 5
+      - 4
+      - 3
+      - 2
+      - 0
+  - percents:
+      - 90
+      - 75
+      - 50
+      - 30
+    grades:
+      - 5
+      - 4
+      - 3
+      - 2
+      - 1
+  - percents:
+      - 90
+      - 75
+      - 50
+      - 30
+    grades:
+      - 5
+      - 4
+      - 3
+      - 2
+      - 0

06-switch/02-grades/exercise_test.go

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+// PLEASE RUN make generate