Answer Posted / chaitanya

List is like array, it can be used to store homogeneous as well as heterogeneous data type (It can store same data type as well as different data type). List are faster compared to array. Individual element of List data can be accessed using indexing & can be manipulated.

List Code Snippet:

list = ["Sarah",29,30000.00]

for i in range (3):

print list[i]

------------------

Output

Sarah

29

30000.0

Tuples are similar to lists, but there data can be changed once created throught the execution of program. Individual element of Tuples can be accessed using indexing.

Tuples Code Snippet: The Days

days = ("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday")

print days

------------------------------

('Sunday', 'Mondays', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday')

Sets stores unordered values & have no index. And unlike Tuples and Lists, Sets can have no duplicate data, It is similar to Mathematical sets.

add() function can be used to add element to a set.

update() function can be used to add a group of elements to a set.

Copy() function can be used to create clone of set.

Set Code Snippet:

disneyLand = set (['Minnie Mouse', 'Donald Duck', 'Daisy Duck', 'Goofy'])

disneyLand.add('Pluto')

print disneyLand

-----------------------------------------------

Output

set(['Goofy', 'Daisy Duck', 'Donald Duck', 'Minnie Mouse', ’Pluto’])

Dictionary are similar to what their name is. In a dictionary, In python, the word is called a 'key', and the definition a 'value'. Dictionaries consist of pairs of keys and their corresponding values.

Dictionary Code Snippet:

>>> dict = {'India': 'Bharat', 'Angel': ‘Mother Teresa’, 'Cartoon': 'Mickey'}

>>>print dict[India]

Bharat

>>>print dict[Angel]

Mother Teresa

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