I need help with this coding!!!! This is python

In some computer programs that deal with text, unhelpful words are removed before the main task of the program is undertaken. These unhelpful words are sometimes referred to as "noise" words. For the sake of this exercise we will consider just the following words "noise": 'is', 'it', 'the', 'if 1. Write a function remove_noise(sentence) that takes 1 string parameter: 1. sentence - one or more text elements separated by white space 2. The function removes all the noise words from the sentence and returns a new version of the sentence. 3. The function should also ignore any periods, commas, exclamation marks or question marks in the file. 4. The function should remove noise words regardless of their case (upper, lower, mixed) Examples: >>> remove_noise('Is this the only way to town?') 'this only way to town' >>> new_s = remove_noise('It is safe in the basement!') >>> new_s 'safe in basement >>> new_s = remove_noise ('The best way is the easiest