Ah, surprisingly, Full Stack 1 may be a bit more difficult. I made it that way because I thought that if you cover programming in more depth and increase your understanding through it, you will be able to absorb other technologies well from Part 2. Even if Part 1 is a bit burdensome, if you listen to up to Part 3 and then go back and repeat from the beginning, you will be able to absorb the parts that were difficult to absorb more easily. Thank you.