a picture of a building with a clock on it

Prompt 1: a man in a white shirt and black pants standing behind a table with a sign that reads "euler's totient function." he is seen writing on a white board and then proceeds to explain euler's totient function to the camera. ends with a painting being shown on a white wall. overall, provides an explanation of euler's totient function with visual aids to help understand the concept.

Prompt 2: showcases a large circle with a smaller circle in the center that is surrounded by a smaller circle. then shows a series of smaller circular objects, each with a different pattern, arranged around the inner circle. the objects are shown in different positions, with some overlapping others. also features a spiral pattern around the center circle. overall, showcases a variety of circular patterns and shapes.