diff --git a/degrees.py b/degrees.py
index 0ca8e93..aec66ef 100644
--- a/degrees.py
+++ b/degrees.py
@@ -1,5 +1,5 @@
 from lark import Lark, Transformer, v_args
-import json
+import json, sys, re
 
 
 
@@ -155,48 +155,96 @@ grammar = """
 """
 
 
+def parser():
+    dsl = """
+    course CSIS1 2 units
+    course CSIS2 4 units
+    course ACCT120 3 units
+    course ACCT20 4 units
+    course BUS1 3 units
+    course ENGL250 3 units
+    course ACCT105 3 units
+    course ACCT121 3 units
+    course BOT100 3 units
+    course BOT105B 3 units
 
-dsl = """
-course CSIS1 2 units
-course CSIS2 4 units
-course ACCT120 3 units
-course ACCT20 4 units
-course BUS1 3 units
-course ENGL250 3 units
-course ACCT105 3 units
-course ACCT121 3 units
-course BOT100 3 units
-course BOT105B 3 units
+    program BusinessAccountingOption 
+        take all from CSIS1, CSIS2
+        take at least 6 units from ACCT120, ACCT20
+        take at least 3 courses from BUS1, ENGL250, ACCT120, BOT100, ACCT121, BOT105B
+    """
 
-program BusinessAccountingOption 
-    take all from CSIS1, CSIS2
-    take at least 6 units from ACCT120, ACCT20
-    take at least 3 courses from BUS1, ENGL250, ACCT120, BOT100, ACCT121, BOT105B
-"""
+    parser = Lark(grammar)
+    print(parser.parse(dsl).pretty())
 
-parser = Lark(grammar)
-print(parser.parse(dsl).pretty())
-
-print("\n\n\n")
+    print("\n\n\n")
+
+
+    parser = Lark(grammar)
+    transformer = DSLTransformer()
+
+    def parse_dsl(dsl):
+        tree = parser.parse(dsl)
+        return transformer.transform(tree)
+
+
+    result = parse_dsl(dsl)
+
+    print(transformer.courses)
+    print()
+    print(transformer.degrees)
+    print()
+    [print(c) for c in transformer.courses]
+    print()
+    [print(d) for d in transformer.degrees]
+
+
+
+
+
+def rule_check_units():
+    # Define the course units and passing grades
+    course_units = {
+        "A": 1,
+        "B": 2,
+        "C": 1,
+        "D": 3
+    }
+
+    # Define the students and their passed courses
+    students = {
+        "Peter": ["A", "B", "C"],
+        "Mark": ["D", "B"],
+        "Susan": ["A", "B"]
+    }
+
+    # Define the minimum units required to graduate
+    min_units_to_graduate = 4
+
+    calcs = {}
+    for student, passed_courses in students.items():
+        print("\n", student, passed_courses)
+        for c in passed_courses:
+            print(f"\t{c:15} {course_units[c]}")
+        print(f"\t{'Total':15} {sum(course_units[c] for c in passed_courses)}")
+
+    # Determine the graduating students
+    graduating_students = [
+        student for student, passed_courses in students.items()
+        if sum(course_units[course] for course in passed_courses) >= min_units_to_graduate
+    ]
+
+    # Print the graduating students
+    if graduating_students:
+        print("The graduating students are:", ", ".join(graduating_students))
+    else:
+        print("No students meet the graduation requirements.")
 
 
-parser = Lark(grammar)
-transformer = DSLTransformer()
 
-def parse_dsl(dsl):
-    tree = parser.parse(dsl)
-    return transformer.transform(tree)
 
 
-result = parse_dsl(dsl)
 
-print(transformer.courses)
-print()
-print(transformer.degrees)
-print()
-[print(c) for c in transformer.courses]
-print()
-[print(d) for d in transformer.degrees]
 
 """
 
@@ -217,4 +265,30 @@ def compute_degree_progress(student_courses, degree):
     progress_percent = total_units_completed / total_required_units * 100 if total_required_units > 0 else 0
     return progress_percent
 
-"""
\ No newline at end of file
+"""
+
+
+
+
+
+if __name__ == "__main__":
+    options = { 1: ['parsing example',parser] ,  
+                2: ['rule check by units',rule_check_units] , 
+              }
+    print ('')
+
+    if len(sys.argv) > 1 and re.search(r'^\d+',sys.argv[1]):
+        resp = int(sys.argv[1])
+        print("\n\nPerforming: %s\n\n" % options[resp][0])
+    
+    else:
+        print ('')
+        for key in options:
+            print(str(key) + '.\t' + options[key][0])
+        
+        print('')
+        resp = input('Choose: ')
+    
+    # Call the function in the options dict
+    options[ int(resp)][1]() 
+
diff --git a/users.py b/users.py
index f4ba318..5206143 100644
--- a/users.py
+++ b/users.py
@@ -41,7 +41,7 @@ last_4_semesters_ids = [168, 65, 64, 62]
 log_default_startdate = "2021-08-23T00:00:00-07:00"
 lds_stamp = parser.parse(log_default_startdate)
 
-recvd_date = '2021-08-23T00:00:00Z'
+recvd_date = '2023-01-01T00:00:00Z'
 num_threads = 25
 max_log_count = 250000
 
@@ -1789,8 +1789,9 @@ def track_user(id=0,qid=0):
         url_addition = ""
         
         if 1:    # hard code dates
-        
-            url_addition = "?start_time=%s&end_time=%s" % ( '2022-06-15T00:00:00-07:00',  '2022-12-31T00:00:00-07:00' )
+            start_date = "2023-01-01T00:00:00-07:00"
+            end_date   = "2023-08-01T00:00:00-07:00"
+            url_addition = f"?start_time={start_date}&end_time={end_date}"
         elif 'last_days_log' in info:
             print("There's existing log data for %s (%s)" % (info['name'] , info['sis_user_id']))
             print("Last day logged was: %s" % info['last_days_log'])