Havent been able to figure out most_courses part . Am i completely off ?

# 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.
Treehouse_Dict = {'Andrew Chalkey': ['jquery Basics', 'Node.js Basics'], 
                  'Kenneth Love': ['Python Basics', 'Python Collections']}
def num_teachers(Treehouse_Dict):
      return int(len(Treehouse_Dict.keys())) 

def num_courses(Treehouse_Dict):
    number = 0
    for num in Treehouse_Dict.values():
        number += len(num)
    return number

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


def most_courses(Treehouse_Dict):
    max_v = max(Treehouse_Dict.values())
    for teacher in Treehouse_Dict:
        if Treehouse_Dict.values() == max_v:
    return teacher