• count_words(sentence): returns a dictionary with all the words in sentence in lower case as keys, and the value of each key is the number of times that word appears in a sentence. You can assume...

Implete the following function:

   - Code should be in python

Extracted text: • count_words(sentence): returns a dictionary with all the words in sentence in lower case as keys, and the value of each key is the number of times that word appears in a sentence. You can assume that sentences will only have letters, spaces, commas and dots.