Hello friends and welcome to the tutorial on getting started with

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In this tutorial we will be getting acquainted with a python data

I hope you have ipython running on your system .

shell type ::

This is an empty list without any elements .

Thus the simplest way of creating a list is typing out a sequence 

of comma-separated values (items) between square brackets. 

List items need not all have the same data type.

previous example 'spam' and 'eggs' are strings and 100 and 1.234

integer and float . Thus you can put elements of heterogenous types in

lists.  Thus list themselves can be one of the element types possible

in lists.  Thus lists can also contain other lists in it .  Example ::

first element , nonempty[1] the second element and so on and

	    nonempty[0] 

	    nonempty[1] 

	    nonempty[3]

We can also access the elememts from the end using negative indices ::

   nonempty[-1] 

   nonempty[-2] 

   nonempty[-4]

-1 being the last element , -2 second to last and -4 being the first

* =append= elements We can append elements to the end of a list using

   nonempty.append('onemore') 

   nonempty.append(6) 

   nonempty

Using len function we can check the number of elements in the list

returns us 6.::

	 len(nonempty)

Just like you can append elements to a list you can also remove them .

Their are two ways of doing one is by index no. ::

      del(nonempty[1])

list, 'eggs'. The other way is removing element by content. Lets say

one wishes to delete 100 from nonempty list the syntax of the command

	   a.append('spam') 

	   a 

	   a.remove('spam') 

	   a

thus remove removes only the first instance of the element by sequence

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This tutorial was created as a part of FOSSEE project.

I hope you found this tutorial useful.

Thank You

Author : Amit Sethi 

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