For exercise 2 and 3 i type the following statement in python interpreter and run it to get my results. My experience using python is alright.

Exercise #2

>>> print 5
5
>>> x = 5
>>> x + 1
6
Exercise #3

>>> width = 17
>>> height = 12.0
>>> delimiter = ‘ . ‘
>>> width / 2
8
>>> width / 2.0
8.5
>>> height / 3
4.0
>>> delimiter * 5
‘ . . . . . ‘