Answer 1

"/" is for normal division and returns a float.
"//" is for floor division. It only gives you the whole number as an integer. It drops the decimals.
"%" is the modulo operator it returns the remainder.
Example:
9 / 6 = 1.5
9 // 6 = 1
9 % 6 = 3
And for the future
https://code.sololearn.com/W3uiji9X28C1/?ref=app