for _ in range(n-2) code example

Example 1: for loop from n to 1 in python

range(10, 0, -1)

Example 2: range python start at 1

>>> def range1(start, end):
...     return range(start, end+1)
...
>>> range1(1, 10)
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]