dictionaries. 5 of 5

# 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 (tc):
    teacher_courses = {}
    num_teachers = 0
    for teacher in tc:
        num_teachers += 1

    return num_teachers

def num_courses (teacher_courses):
    num_courses = 0
    for course in teacher_courses.values():
        num_courses = num_courses + len(course)

    return num_courses

def courses (teacher_courses):
    courses = []
    for courses_list in teacher_courses.values():
        for course1 in courses_list:
            if course1 in courses:
                continue
            else:
                courses.append(course1)

    return courses

def most_courses (teacher_courses):
    max_count = 0
    most_courses = str()
    for teacher, course in teacher_courses.items():
        if len(course) > max_count:
            max_count = len(course)
            most_courses = teacher

    return most_courses

def stats (teacher_courses):
    stats = list()
    for teachers_name, course in teacher_courses.iteritems():
        inner_list = list()
        inner_list.insert(0, teachers_name)
        inner_list.insert(1, len(course))
        if inner_list in stats:
            continue
        else:
            stats.append(inner_list)

    return stats