### Greg's Catalog with Dictionary ###
data = {}
with open('catalog.txt', 'r') as f:
data = json.loads(f.read())
start_time = datetime.datetime.now()
catalog = Catalog({})
for subject, courses in data.items():
course_data = {}
for course, info in courses.items():
course_data[course] = Course(*info.values())
catalog.subjects[subject] = course_data
print(catalog.get_subject('Special Education'))
end_time = datetime.datetime.now()
print(end_time - start_time)
###############################################################
del start_time
del end_time
del catalog
del data
### Gregs Catalog with HashTable ###
data = {}
with open('catalog.txt', 'r') as f:
data = json.loads(f.read())
