can i use set as dictionary key python code example

Example 1: how to set a key of dict in python

# declaring dict
dictionary={'Hello':3,'World!':4}
# creating function
def dict_add(obj,key,value):
  obj[key]=value
  reutrn obj
# using the functiom
dict_add(dictionary,'Python',10)
print (dictionary) # output --> { 'Hello':3 ,'World!':4 , 'Python':10 }

Example 2: python dictionary value as set

word_dict = dict()
word_dict["foo"] = set()
word_dict["foo"].add("baz")                                    
word_dict["foo"].add("bang")