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+#+LaTeX_CLASS: beamer
+#+LaTeX_CLASS_OPTIONS: [presentation]
+#+BEAMER_FRAME_LEVEL: 1
+
+#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
+#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra)
+#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC
+
+#+LaTeX_CLASS: beamer
+#+LaTeX_CLASS_OPTIONS: [presentation]
+
+#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl}
+#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
+
+#+LaTeX_HEADER:\usepackage{listings}
+
+#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries,
+#+LaTeX_HEADER:  commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
+#+LaTeX_HEADER:  showstringspaces=false, keywordstyle=\color{blue}\bfseries}
+
+#+TITLE:    Additional Features of =ipython=
+#+AUTHOR:    FOSSEE
+#+EMAIL:     
+#+DATE:    
+
+#+DESCRIPTION: 
+#+KEYWORDS: 
+#+LANGUAGE:  en
+#+OPTIONS:   H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t
+#+OPTIONS:   TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc
+
+* Outline
+  + Retrieving ipython history 
+  + Viewing a part of the history 
+  + Saving (relevant) parts of the history to a file
+  + Running a script from within ipython 
+* Question 1
+  Read through the documentation of ~%hist~ and find out how to list
+  all the commands between 5 and 10
+* Solution 1
+  #+begin_src python
+    In []: %hist 5 10
+  #+end_src
+* Question 2
+  Change the label on y-axis to "y" and save the lines of code
+  accordingly
+* Solution 2
+  #+begin_src python
+    In []: ylabel("y")
+    In []: %save /home/fossee/example_plot.py 1 3-6 10
+  #+end_src
+* Question 3
+  Use =%hist= and =%save= and create a script that has show in it and
+  run it to produce and show the plot.
+
+* Solution 3
+  #+begin_src python
+    In []: %hist 20
+        
+    In []: %save /home/fossee/show_included.py 1 3-6 8 10 13
+    In []: %run -i /home/fossee/show_included.py
+  #+end_src
+* Question 4
+  Run the script without using the -i option. Do you find any
+  difference?
+* Solution 4
+  We see that it raises ~NameError~ saying the name ~linspace~ is not
+  found.
+* Summary
+  + Retreiving history using =%hist= command
+  + Vieweing only a part of history by passing an argument to %hist
+  + Saving the required lines of code in required order using %save
+  + Using %run -i command to run the saved script
+
+* Thank you!
+#+begin_latex
+  \begin{block}{}
+  \begin{center}
+  This spoken tutorial has been produced by the
+  \textcolor{blue}{FOSSEE} team, which is funded by the 
+  \end{center}
+  \begin{center}
+    \textcolor{blue}{National Mission on Education through \\
+      Information \& Communication Technology \\ 
+      MHRD, Govt. of India}.
+  \end{center}  
+  \end{block}
+#+end_latex
+
+