I do not know spanish please say in english
Answer:
the type of reference
Explanation:
There are many cell reference types eg relative,absolute and mixed cell referencing. if you write your cell reference in relative type then it will change as you copy it to another cell. if you select absolute cell referencing then it will not change if you copy to another cell.
Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."
Answer:
ansList =input().split() #get input and split it by space
ansList = [int(i) for i in ansList if int(i)>0] #turn string to integer,and get all positive integers
print(ansList)
Explanation: I think this would work for you. I leace comments in the answer.
I would say A. Test it and receive feedback
