Given an Integer N and a list arr. Sort the array using bubble sort algorithm.
Example 1:

Input: 
N = 5
arr[] = {4, 1, 3, 9, 7}
Output: 
1 3 4 7 9

Example 2:

Input:
N = 10 
arr[] = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1}
Output: 
1 2 3 4 5 6 7 8 9 10

Constraints:
1 <= N <= 10³
1 <= arr[i] <= 10³