Python language. The array has to be 6 random numbers and my target is 15

Assignment Content Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. Example 1: Input: Arr=[1,7,3,6,5,9], target= 11 Output: [3,4] Explanation: Arr[3] =6 Arr[4]=5 Arr[3]+Arr[4]=5+6=11= target Example 2: Input: Arr =[1,0,7,6,2,4], target= 5 Output: [0,5] Explanation: Arr[0] =1 Arr[5] =4 Arr[0]+Arr[5]=1+4=5= target