Problem 1.
num1 = 3, num2 = 2
i = 1, j = 1 result = 2
i = 1, j = 2 result = 4
i = 2, j = 1 result = 6
i = 2, j = 2 result = 8
i = 3, j = 1 result = 10
i = 3, j = 2 result = 12
Output = 12

In general, the body of the inner loop executes num1*num2 times.
Therefore, when program1(25, 18) is called, the body of the inner
loop is executed 450 times. The variable result starts off at 0 and
increases by 2 with each execution and therefore reaches 900
when the function ends.
-------------------------------
Problem 2.
result = 1
n = 8 result = 2
n = 4 result = 3
n = 2 result = 4
n = 1 
Output = 4
-------------------------------
Problem 3.
test3						test3helper
-----                                           -----------
n = 2			----- 3 ----->		n = 3
						Output = 3
						Output = 9
			<---- 12------		
temp = 12
Output = 2
Output = 12

n = 1			----- 2 ------>		n = 2
						temp = 4
						Output = 2
						Output = 4
			<---- 7 ------
temp = 7
Output = 1
Output = 7
n = 0

Therefore, the output of the program is:
3
9
2
12
2
4
1
7