<human>:  values of a dictionary must be unique in.
<bot>: Here is a Python function to value a dictionary must be unique in the dictionary

import re

def unique_values(dictionary):
  """
  Determine whether or not values of a dictionary must be unique.
  """
  return len(set(dictionary.values())) == len(dictionary)

# Enter the dictionary
dictionary = {"lilly": 1, "mouse": 2, "skateboard": 3}

# Calling the function
print((unique_values(dictionary)))

#Example Output
# True

#Remember to inspect code for bugs.