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# 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(teachers):
  max_count = 0
  L = []
  for k in teachers.keys():
    L.append(len(teachers[k]))

  for i in teachers.keys():
    if len(teachers[i]) == max(L):
      return i

def num_teachers(teachers):
  G = []
  for Y in teachers.keys():
    G.append(Y)
  return len(G)

def stats(teachers):
  A = []
  B = []
  for t in teachers.keys():
    A.append(t)
    A.append(len(teachers[t]))
  n = 0
  while n < (len(A) - 1):
    B.append(A[n:n+2])
    n = n + 2
  return B

def courses(teachers):
  X = []
  for v in teachers.values():
    X.append(v)
  return X