Consecutive Elements

Given an array arr of N non-negative integers, determine whether the array consists of consecutive numbers. Return true if they do, and false otherwise.

Input:

The first line of input contains a single integer T, representing the number of test cases or queries. Each test case includes two lines: The first line contains an integer 'N', the length of the array. The second line contains 'N' space-separated integers representing the elements of the array. 

Output:

For each test case, print “True” or “False” in separate lines to indicate whether the elements of the array are consecutive. 

Example:

Input: 
 T = 1 
 N = 3 
 arr = [4, 3, 5] 
 

Output: 
 True 

Constraints:

• 1 ≤ T ≤ 10
• 1 ≤ N ≤ 10^5
• 0 ≤ arr[i] < 10^9

Note:

No need to print the expected output, just implement the function logic.