teacher stats 5:5

# 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(teach_dict):
    return len(teach_dict)

def num_courses(teach_dict):
    course_num = 0
    for teacher in teach_dict:
        for course in teach_dict[teacher]:
            course_num += 1
    return course_num

def courses(teach_dict):
    class_list = []
    for teacher in teach_dict:
        for course in teach_dict[teacher]:
            class_list.append(course)
    return class_list

def most_courses(teach_dict):
    most = 0
    for teacher, courses in teach_dict.items():
        if len(courses) > most:
            most = len(courses)
            name = teacher
    return name

def stats(teach_dict):
    list_of_lists = []
    for teacher, courses in teach_dict.items():
        single_list = [teacher, len(courses)]
        list_lists.append(single_lists)
    return list_of_lists