most_courses not working

# The dictionary will look something like:
# {'Andrew Chalkley': ['jQuery Basics', 'Node.js Basics'],
#  'Kenneth Love': ['Python Basics', 'Python Collections']}
#
# Each key will be a Teacher and the value will be a list of courses.
#
# Your code goes below here.

def num_teachers(teacherDict):
    return len(teacherDict)

def num_courses(teacherDict):
    total = 0
    for courses in teacherDict.values():
         total += len(courses)
    return total

def courses(teacherDict):
    course_list = []
    for courses in teacherDict.values():
        for course in courses:
            course_list.append(course)
    return course_list

def most_courses(teacherDict):
    max_count = 0
    teach_max = ""
    for teacher, courses in teacherDict.items():
        if max_count < len(courses):
            max_count = len(courses)
            teach_max = teacher
        elif max_count > len(courses):
             continue
        elif max_count == len(courses):
             continue
    return teach_max