# Count the number of unique words in a text file and
# make a set of all the words in the file

word_set = set()
silly_file = open("silly.txt", "r")
for line in silly_file:
    # print(line, end="")
    word_list = line.split()
    print(word_list)
    word_set = word_set | set(word_list)

silly_file.close()
print("Number of unique words in file:", len(word_set))
print("Words in file:", word_set)