Expected 5, got 4

# The dictionary will be something like:
# {'Jason Seifer': ['Ruby Foundations', 'Ruby on Rails Forms', 'Technology Foundations'],
#  'Kenneth Love': ['Python Basics', 'Python Collections']}
#
# Often, it's a good idea to hold onto a max_count variable.
# Update it when you find a teacher with more classes than
# the current count. Better hold onto the teacher name somewhere
# too!
#
# Your code goes below here.
def most_classes(dict):
    max_count = None
    for key in dict:
        count = len(dict[key])
        if max_count is None or max_count < count:
            max_count = count
            teacher = key

    return teacher

def num_teachers(dict):
  for value in dict.values():
    num_teachers = len(value)

  return num_teachers