pairs = {
  1: "apple",
  "orange" : [2,3,4],
  True: False,
  12: "True",
}

print(len(pairs)) 
'''
total length returns 3
comment out pairs[0], returns 3??
comment out pairs[1], returns 2
comment out pairs[2], returns 3??
comment out pairs[3], returns 2

''' 