4) Trace this program in the following table by filling in the initial values of variables and also the values whenever they change. def fn(a,b): if a bi r-2 else: L 2-3 return r L-12, 5, 17, 17, 61 i-1 typel = True type2 - True while i < len(L): x-L[i-1] res fn(x,L[i]) if res-1: typel-False elif res = 2: type2= False i=i+1 print (type1, type2) ID i typel type2 X LOG b) What is the output of this program? That is, what is printed? a b T res Write the Python code for the following function fn(a,b) where a and bare two integers and a is less than or equal to b. This function returns the sum of the numbers between a and b (not including a and b). For example, calling fin(1,5) would return 9 (which is the sum of 2+3+4) For another example, calling fn(2,3) would return 0 (since there are no numbers between 2 and 3) b) Write a Python program that inputs two integers x and y. The program will print the sum of the numbers that occur between x and y. You must use the function in part 2(a). Note, the user might not enter the numbers in order (e.g. x could be greater than y). For example, if the input is 1 5, then the output should be 9 If instead the input is 5 1, the output should also be 9.