Merge pull request #2 from FOSSEE/restructuring-repo

Restructuring repo

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diff --git a/lecture_notes/advanced_python/exercises.rst b/lecture_notes/advanced_python/exercises.rst
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+Exercises
+=========
+
+#. Consider the iteration :math:`$x_{n+1} = f(x_n)$` where
+   :math:`$f(x) = kx(1-x)$`. Plot the successive iterates of this
+   process.
+
+#. Plot this using a cobweb plot as follows:
+
+   #. Start at :math:`$(x_0, 0)$`
+   #. Draw line to :math:`$(x_i, f(x_i))$`;
+   #. Set :math:`$x_{i+1} = f(x_i)$`
+   #. Draw line to :math:`$(x_i, x_i)$`
+   #. Repeat from 2 for as long as you want
+
+#. Plot the Koch snowflake. Write a function to generate the necessary
+   points given the two points constituting a line.
+
+   #. Split the line into 4 segments.
+   #. The first and last segments are trivial.
+   #. To rotate the point you can use complex numbers, recall that
+      :math:`$z e^{j \theta}$` rotates a point :math:`$z$` in 2D by
+      :math:`$\theta$`.
+   #. Do this for all line segments till everything is done.
+
+#. Show rate of convergence for a first and second order finite
+   difference of sin(x)
+
+#. Given, the position of a projectile in in ``pos.txt``, plot it's
+   trajectory.
+
+   -  Label both the axes.
+   -  What kind of motion is this?
+   -  Title the graph accordingly.
+   -  Annotate the position where vertical velocity is zero.
+
+#. Write a Program that plots a regular n-gon(Let n = 5).
+
+#. Create a sequence of images in which the damped oscillator
+   (:math:`$e^{-x/10}sin(x)$`) slowly evolves over time.
+
+#. Given a list of numbers, find all the indices at which 1 is present.
+   numbers = [1, 1, 3, 4, 3, 6, 7, 8, 1, 2, 4, 1]
+
+#. Given a list of numbers, find all the indices at which 1 is present.
+   numbers = [1, 1, 3, 4, 3, 6, 7, 8, 1, 2, 4, 1]. Solve the problem using a
+   functional approach.
+
+.. 
+   Local Variables:
+   mode: rst
+   indent-tabs-mode: nil
+   sentence-end-double-space: nil
+   fill-column: 77
+   End:
+