added prereq

DynamoDB.py

@@ -5,7 +5,7 @@
 course_table = resource('dynamodb').Table('Courses')
 # NOTE: another table for users and professors may be necessary. In order to do this we might need functionality to introduce salt and hashing for security
 
-def courseInsert(courseId, courseSection, courseLevel, courseDepartment, courseProfessor, courseEnrolledStudents, courseMaxStudents, courseIsOpen, courseFormat, courseStartTime=0, courseEndTime=0, courseScheduledDays='None', courseLocation='None'):
+def courseInsert(courseId, courseSection, courseLevel, courseDepartment, courseProfessor, courseEnrolledStudents, courseMaxStudents, courseIsOpen, courseFormat, prerequisites, courseStartTime=0, courseEndTime=0, courseScheduledDays='None', courseLocation='None'):
     courseInsertion = course_table.put_item(
         Item = {
             'CourseId' : courseId, # partition key
@@ -20,6 +20,7 @@ def courseInsert(courseId, courseSection, courseLevel, courseDepartment, courseP
             'OpenStatus' : courseIsOpen, # this attribute could be useful for hiding unavailable courses
             'CourseFormat' : courseFormat,
             'CourseScheduledDays' : courseScheduledDays, # this will likely be a list, but im lazy so for now it's a string
+            'PreRequisites' : prerequisites, # this will be a list of courses
             'CourseLocation' : courseLocation # could increase functionality by separating into building and room number, to allow searching by building
         }
     )