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+Hello friends.
+
+This tutorial is a self-assessment tutorial and you will be able to assess 
+yourself on the concepts learnt in the Module "Plotting Expetimental data"
+
+As with all other assessments we will first start with a few short questions 
+that will not take you more that 15 to 20 seconds to answer. Then we shall move
+on to a bigger problems that should take you about 5 mins.
+
+{{{ Always show slide and explain the problem }}} 
+
+ * What is the shape of plot resulting from the following piece of code::
+
+       x = linspace(0, 2*pi, 4)
+       plot(x, sin(x))
+
+ * #[Nishanth]: Hav to add a simple question on scatter plot
+
+ * #[Nishanth]: Hav to add a simple question on pie chart
+
+ * Input file contains 25 lines of data, each containing 5 values seperated by
+   spaces. What is the shape of the resulting matrix from the command::
+
+       loadtxt("input-file.txt", unpack=True)
+
+{{{ Big problem - 5 mins }}} 
+
+The input file ``pos.txt`` contains two columns of data. The first column 
+contains x position and second column contains y position of a particle in
+flight. Plot the trajectory of the particle. What kind of motion is it? 
+
+.. Author              : Nishanth
+   Internal Reviewer 1 : 
+   Internal Reviewer 2 : 
+   External Reviewer   :