What is Floor division & modulo operator?

Answer 1

20 / 6 = 3 remainder 2
^ ^
floor division modulo

Answer 2

Let's say together they are a normal division split into two pieces:

With floor division you get the big chunk, with modulo the rest of it.

20 // 6 == 3 (18 plus rest)
20 % 6 == 2 (just the rest)

Answer 3

modulo operator %
7%4 = 3 it gives the remainder
floor division /
7/2 = 3 it gives the value to the nearest small integer