Answer:
This answer is quite late, but data types are basically categories that differentiate stuff in python.
A few examples would be:
String - Anything that has single or double-quotes around it. The input( ) function automatically returns a string, unless changed.
Int - An integer. Any whole number.
Float - Any decimal number.
List - a variable in which you can store multiple different elements. (Strings, integers, floats, tuples, lists, etc...)
Also, sorry if my English isn't perfect. English isn't my first language.
Explanation:
Don't know. Just some stuff I remember from my python class. ∞
C. Let the database assign a unique number in a new field
