Update teacher_function.py

teacher_function.py

@@ -59,13 +59,18 @@ def extract_text_from_image(image_path):
 
 def evaluate(question, answer, max_marks):
     prompt = f"""Questions: {question}
-    Answer: {answer}.
+Answer: {answer}
 
+Evaluate each question based on the provided answers and assign marks out of {max_marks}. Use the following guidelines to assign marks:
+- If the answer is very accurate and complete, give full marks.
+- If the answer is good but not completely accurate, give full marks minus 1.
+- If the answer is somewhat accurate, give full marks minus 2, and so on.
+- Ensure that the length and detail of the answers correspond to the maximum marks available.
+
+Provide the results in the following format:
 
-    Evaluate above questions one by one(if there are multiple) by provided answers and assign marks out of {max_marks}. No need overall score. Note that as maximum mark increases, the size of the answer must be large enough to get good marks. Give ouput in format below:
 Assigned marks: 
-Total marks: 
-Note that you should not display total marks"""
+Total marks: """
 
     messages = [
         {"role": "system", "content": "You are an answer evaluator"},