Randomness
**********

Example: Random Concentric Circles
==================================

.. figure:: images/random-concentric-circles.svg
   :width: 200
   :alt: random concentric circles

Example: Random Touching Circles
==================================

.. figure:: images/random-touching-circles.svg
   :width: 200
   :alt: random touching circles





Exercises
=========


**Problem 4.1** Write a program to draw 100 circles at random locations with random size.

.. figure:: images/random-circles.png
   :scale: 50 %
   :alt: random circles


**Problem 4.2** Write a program to draw concentric circles of random size.

.. figure:: images/concentric-circles-random.png
   :scale: 50 %
   :alt: random circles

**Problem 4.3** Can you place the random concentric circles drawn in the above problem in grid?

.. figure:: images/random-circles-in-grid.png
   :scale: 50 %
   :alt: random circles in a grid

**Problem 4.4** Write a program that draws one of the two diagonals in random for each cell of a 4x4 grid.
The grid is shown with a light color in the picture for your refefence and you don't need to draw it.

.. figure:: images/rand10.svg
   :width: 200
   :alt: rand10

Try changing the grid size to 16x16 or 32x32.