Udacity, Inc. is an American for-profit educational organization founded by Sebastian Thrun, David Stavens, and Mike Sokolsky offering massive open online courses. According to Thrun, the origin of the name Udacity comes from the company's desire to be "audacious for you, the student". *1
Is Udacity good for people unfamiliar with programming?
Yup, you can get into it and start learning from today.
Am I Need To Pay Courses?
Udacity gives you 1 week trial, after that you need to pay the courses on Udamy
Should You Get Every Course On It?
No, you doesn't need every course on Udacity. But I strongly reccommend the Python courses in Udacity