update,

_prompts/helloworld.md

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+write some cpp functions:
+
+1. collects student details like name, marks in each subject.
+
+using cpp, write a console program that accepts user input name, maths marks, chinese marks, english marks and grade,
+print them out when the user input done
+
+
+
+
+The system can calculates the overall grade of each student.
+User can
+  add,
+  edit and
+  delete the record to the
+  system manually or
+
+  upload a file.
+  add,
+  edit and
+  delete
+
+
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.