add submissions

submissions/extract.py

@@ -63,7 +63,7 @@ def main():
     for question_id in [1,2,3,4,5,6,7,8]:
         if question_id != 2:
             continue
-        f = open("hw1-provenance/q"+str(question_id))
+        f = open("hw1-provenance/q"+str(question_id), "w+")
         question_submissions = query[question_id]
         for student_id in list(question_submissions.keys()):
             submissions = question_submissions[student_id]