In Python, use a for loop to take the elements 1-16 from a 1D array and place them into a 2D array.

In C#, how would you compile a program that declares a 5 element double array that uses a loop to read values for each element from the user. The program should then use an additional loop to compute and output the sum of the elements in the array.

In Python, Compose a program that takes two inputs m and n and produces an m-by-n boolean array where each element is a ".".

Urite a Python program to make an 3D array which is filled by random entries which is contains 3 of 3X3 array.