for word in my_string:
    words = len(word)
if words in sample_dictionary:
    sample_dictionary[words].add(word)
else:
    sample_dictionary[words] = {word}
print(sample_dictionary)
return sample_dictionary
n_letter_dictionary(
    'The way you see people is the way you treat them and the Way you treat them is what they become'
    )
Returning Dictionary-length of words in string