Sorry for the picture, but here is the question. I I need this written in Python 2! I don't know how to solve this. Please make the code easy to understand :(

Given an array of integers, your task is to count the number of duplicate array elements. The function 'Duplicate' is defined as two or more identical elements. For example, in the array [1,2,2,3,3,3], the two twos are one duplicate and so are the three threes.

Given an array of integers, your task is to count the number of duplicate array elements. Duplicate is defined as two or more identical elements. For example, in the array [1, 2, 2, 3, 3, 31, the two twos are one duplicate and so are the three threes Function Description Complete the function countDuplicates in the editor below. The function must return an integer denoting the number of non-unique (duplicate) values in the numbers array. countDuplicates has the following parameter): numbers numbers.numbersn-: an array of integers to process Constraints 1s n 1000 .1 numbers 1000, 0 i<>