THIS IS GNU OCTAVE QUESTION. PLEASE DO NOT SHARE MATLAB ANSWERS.

4. Write a function that takes a string and returns the number of words in it. Assume that there are no special characters such as comma, column, semicolon, etc. The string is only composed of spaces and letters. Be careful there may be more than one space between words. Example: Input: x= Hello world of wonders Output: 4 ALSO TEST YOUR FUNCTION WITH THE Input" above (the result should be the Output" above) and take a screenshot of your OCTAVE, MATLAB or OCTAVE ONLINE screen and include it in your answer. NO SCREENSHOT = 0 marks for this