Couldn't find `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(dic):
    return int(len(dic.keys()))


def num_courses(dic):
    courses_count = 0
    for teacher_course in dic.values():
        courses_count += (len(teacher_course))
    return (courses_count)


def courses(dic):
    all_courses = []
    for course in dic.values():
        for item in course:
            all_courses.append(item)

    return (all_courses)


def most_course(dic):
    teacher_course_num = {}
    for teacher,course in dic.items():
        teacher_course_num[teacher]= len(course)
    max_vlaue = (max(teacher_course_num.values()))
    for teacher,course in teacher_course_num.items():
        if course == max_vlaue:
            return (teacher)