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CBSE AISSCE 2016-2017 Marking Scheme for Computer Science
(Sub Code: 083 Paper Code 91 Outside Delhi)

del queue.Member[0] # queue.Member.delete()

( ½ mark for Addnew header)
( ½ mark for accepting a value from user)
( ½ mark for adding value in list)
( ½ mark for Remove header)
( ½ mark for checking empty list condition)
( ½ mark for displaying removed Member)
( ½ mark for displaying the value to be deleted)
( ½ mark for deleting value from list)

NOTE:
Marks not to be deducted for methods written without using a class
(d) Write definition of a Method MSEARCH(STATES) to display all the state names 2
from a list of STATES, which are starting with alphabet M.
For example:
If the list STATES contains
["MP","UP","WB","TN","MH","MZ","DL","BH","RJ","HR"]
The following should get displayed
MP

MH
MZ
Ans def MSEARCH(STATES):
for i in STATES:
if i[0]=='M':
print i

( ½ mark method header)
( ½ mark for loop)
( ½ mark for checking condition of first letter M)
( ½ mark for displaying value)
(e) Evaluate the following Postfix notation of expression: 2
4,2,*,22,5,6,+,/,-

Ans
Element Stack Contents
4 4
2 4, 2
* 8
22 8,22
5 8, 22, 5
6 8, 22, 5, 6
+ 8, 22, 11
/ 8, 2
- 6
Answer: 6

(½ Mark for evaluation till each operator)
OR
(1 Mark for only writing the Final answer without showing stack
status)

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