extra empty element when removing an element from a tuple

Question

I have a question about the following python outcome. Suppose I have a tuple :

a = ( (1,1), (2,2), (3,3) )

I want to remove (2,2)

Answer 1

It indicates a one-element tuple, just to prevent confusion.

(1,) is a tuple, while (1) is just the number 1 with unnecessary parentheses.