Page 237 - C++

(d) Write definition of a Method AFIND(CITIES) to display all the city names from a
list of CITIES, which are starting with alphabet A. 2

For example :

If the list CITIES contains

["AHMEDABAD","CHENNAI","NEW DELHI","AMRITSAR","AGRA"]

The following should get displayed

AHMEDABAD

AMRITSAR

AGRA

(e) Evaluate the following Postfix notation of expression : 2

2,3,*,24,2,6,+,/,–

4. (a) Differentiate between file modes r+ and w+ with respect to Python. 1

(b) Write a method in Phyton to read lines from a text file DIARY.TXT, and display

those lines, which are starting with an alphabet ‘P’. 2

(c) Considering the following definition of class COMPANY, write a method in

Python to search and display the content in a pickled file COMPANY.DAT, where

CompID is matching with the value ‘1005’. 3

class Company:

def_init_(self,CID,NAM):

self.CompID = CID # CompID Company ID

self.CName = NAM # CName Company Name

self.Turnover = 1000

def Display(self):

print self.CompID,":",self.CName,":",self.Tunover

91/1 12