why is there an infinite amount of numbers between 1 and 2, but none of them include 3?

Question

and why does it have a beginning and an end and a middle if it’s infinite

In: 0

Answer 1

1.1

1.11

1.11111

….

1.1111111111111111111111111111111111111111

You see where this is going?

You can add infinite amount of digit into there and never go above 2.