Help me in solving DAA014 problem

My issue

i need ans

My code

# Python3 program to count inversions in an array

# Function to count inversions in the array
def get_inv_count(arr):
    n = len(arr) 
    inv_count = 0  

    for i in range(n - 1):
        for j in range(i + 1, n):
            # If the current element is greater than the next,
            # increment the count
            if arr[i] > arr[j]:
                inv_count += 1
    return inv_count  



t = int(input())

for _ in range(t):
    l = input()
    arr = list(map(int, input().split() ))
    print(get_inv_count(arr))

Learning course: Design and Analysis of Algorithms
Problem Link: https://www.codechef.com/learn/course/kl-daa/KLDAA2402/problems/DAA014