# Write a Python program to Key with maximum unique values 
# Python3 code to demonstrate working of 
# Key with maximum unique values
# Using loop
  
# initializing dictionary
test_dict = {"Gfg" : [5, 7, 5, 4, 5],
             "is" : [6, 7, 4, 3, 3], 
             "Best" : [9, 9, 6, 5, 5]}
  
# printing original dictionary
print("The original dictionary is : " + str(test_dict))
  
max_val = 0
max_key = None 
for sub in test_dict:
      
    # test for length using len()
    # converted to set for duplicates removal
    if len(set(test_dict[sub])) > max_val:
        max_val = len(set(test_dict[sub]))
        max_key = sub
  
# printing result 
print("Key with maximum unique values : " + str(max_key)) 