# 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(dicts):
    counter = 0
    for key in dicts.keys():
        counter +=1
    return counter

def num_courses(dicts):
    counter = 0
    for value in dicts.values():
        counter+= int(len(value))
    return counter

def courses(dicts):
    course_list = []
    for values in dicts.values():
        for course in values[:]:
            course_list.extend([course])
    return course_list

def most_courses(dicts):
    max_count = 0
    max_teacher = ''
    for teacher in dicts.keys():
        for course in teacher:
            if int(len(course))>max_count:
                max_count = int(len(course))
                max_teacher = teacher
    return max_teacher