Skeleton of a test:\\

{\ex \lstinline| if __name__ == '__main__':|}

{\ex \lstinline|      result = gcd(48, 64) |}  

{\ex \lstinline|      if result != 16:     |}

{\ex \lstinline|           print ``Test Failed'' |}

{\ex \lstinline|      print ``Test Passed''      |}

\textbf{Testing}

Get results from function or unit of code being tested.Compare it to original output. Test passed if they match else failed.

\textbf{Code Style} 

Four Space Indentation

79 character limit on a line

Funtions should be seperated by 

blank line

Use Docstring

White space around operators 

Skeleton of try catch:\\

{\ex \lstinline|     try:                  |}

{\ex \lstinline|      	  num = int(a)     |}

{\ex \lstinline|     except:               |}

{\ex \lstinline|         print ``Wrong input...'' |}

Starting debugger in ipython:\\

{\ex \lstinline|     %debug                  |}