Task 4 problem (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(dict):
    return len(dict)

def num_courses(dict):
    courses = 0
    for value in dict.values():
        for val in value:
            courses += 1
    return courses

def courses(dict):
    list_courses = []
    for value in dict.values():
        for val in value:
            list_courses.append(val)
    return list_courses

def most_courses(dict):
    most_classes = 0
    class_count = 0
    name = ""
    for teacher in dict.keys():
        for classes in teacher:
            class_count += 1
        if class_count > most_classes:
            most_classes = class_count
            teacher = key
        class_count = 0
    return teacher