most_courses should return the name of the teacher with the most courses.

# 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(teachers):
    count = 0
    for teacher in teachers:
        count += 1
    return count

def num_courses(teachers):
    total = 0
    for value in teachers.values():

        for course in value:
            total += 1
    return total

def courses(teachers):
    list = []
    for course in teachers.values():
        list.extend(course)

    return list

def most_courses(teachers):
    max_count = 0
    for value in teachers.values():
        for course in value:
            max_count += 1
    return max_count