getting-started-with-lists/questions.rst
author amit
Thu, 28 Oct 2010 15:36:15 +0530
changeset 374 57d145c18ccd
parent 342 588b681e70c6
permissions -rw-r--r--
Adding metadata to getting started with lists.

Objective Questions
-------------------

.. A mininum of 8 questions here (along with answers)

1. How do you create an empty list? ::

   empty=[]
   
2. What is the most important property of sequence data types like lists?

   The elements are in order and can be accessed by index numbers.

3. Can you have a list inside a list ? 

   Yes,List can contain all the other data types, including list. 
   
   Example:
   list_in_list=[2.3,[2,4,6],'string,'all datatypes can be there']
   
4. What is the index number of the first element in a list?

   0
   nonempty = ['spam', 'eggs', 100, 1.234]
   nonempty[0]

5. How would you access the end of a list without finding its length?

   Using negative indices. We can the list from the end using negative indices.

   ::
   nonempty = ['spam', 'eggs', 100, 1.234]
   nonempty[-1]

6. What is the function to find the length of a list?

   len

7. Delete the last element from list sq=[5,4,3,2,1,0]

   del(sq[-1])
   
8. How many will you have to use remove function to remove all 6's from the given list sq=[2,5,6,7,6,4,6]?

   3

Larger Questions
----------------

.. A minimum of 2 questions here (along with answers)

1. Add all elemets of seq1=['e','f','g','h']
to the sequence seq=['a','b','c','d']
   
2. Delete all elements of seq1=[3,5,6] from sequence
   seq=[1,2,3,4,5,6,7,8,9]