Given the stubs for the following function ## and the main program, complete the implementation. ## Finish the 3 assert statements to properly ## assert the result shown below (be careful ## with the types of the variables). def count_mismatches ( ): ***"Given two string parameters, strl and str2, compare each character of the two strings and count the number of mismatches. If the strings are of different size, return -1. Otherwise, for each non-matching character, add one point to the count. Upon a mismatch, do nothing, but continue the loop. At the end, return the count. For example, given the inputs: 'ABCDE' and 'XBCYZ', the function returns 3.` HIH if pass _name_ '__main__": ### Write 3 assert statements ### to test the function assert ... 11