(Q3)Complete the following functions.

(i) The first function should search for the first occurrence of a value (val) in a list (list), and then return the value that follows it in the list.

def returnNext(list, val)

The function should return None if the value is not found in the list, or there is no value coming after it (i.e. the value is the last in the list)

Assume the parameter list is always a list.

(Q4)

The second function returns True if two lists of numbers have the same sum. It returns False if otherwise.

def equalSum(list1, list2)

The function should return None if any of the input lists is None or not a list of integers.

(iii) Complete the following definition of function that compares if two strings are the same.

def compareIgnoreSpace(str1, str2)

However, for this function, spaces are ignored in the comparison. Therefore, two strings are still considered the same if, after all the spaces are removed from them, they have exactly the same content. The parameters str1 and str2 contain the two strings for comparison. The function should return 1 if the two strings are the same, and return 0 if otherwise.

Parameter stri "abc" Parameter str2 "abc" Return value 1 "ab ab 1 "abcd" 0 "aaaa" 1