Data Structure — Computer Science STD 12 Science — Question

WAP using function to change the alternate index value of the element.

Answer the questions with reference to below data frame:

	class	order	max_speed
falcon	bird	Falconiformes	389.0
parrot	bird	Psittaciformes	24.0
lion	mammal	Carnivora	80.2
monkey	mammal	Primates	NaN
leopard	mammal	Carnivora	58.0

(i) To print the class wise sum.

(ii) To print the order wise mean

(iii) To sort the index.

(iv) To print the sum of the class wise along with orders columns indexing.

(v) To count the records.

Write a Python program to push all zeros to the end of a given list a. The order of the elements should not change.

Write a menu driven python program using function Push(), Pop() and Display() to implement the stack. The program will store the name of the books.

Write a program which will find all such numbers which are divisible by 7 but are not multiples of 5, between 2000 and 2500 (both included). The numbers obtained should be printed in a comma-separated sequence on a single line.

WAP using Function to take an list as parameter and print Second largest elemennt.

Write the objectives of the IT Act 2000.

Granuda Consultants are setting up a secured network for their office campus at Faridabad for their day to day office and web based activities. They are planning to have connectivity between 3 buildings and the head office situated in Kolkata. Answer the questions (a) to (d) after going through the building positions in the campus and other details, which are given below:

Distances between various buildings:

Building “RAVI” to Building “JAMUNA”	120m
Building “RAVI” to Building “GANGA”	50m
Building “GANGA” to Building “JAMUNA”	65m
Faridabad Campus to Head Office	1460km

Number of computers:

Building “RAVI”	25
Building “JAMUNA”	150
Building “GANGA”	51
Head Office	10

(a) Suggest the most suitable place (i.e. block) to house the server of this organization. Also give a reason to justify your suggested location.

(b) Suggest a cable layout of connections between the buildings inside the campus.

(c) Suggest the placement of the following devices with justification:

(i) Switch

(ii) Repeater

(d) The organization is planning to provide a high speed link with its head office situated in KOLKATA using a wired connection. Which of the following cable will be most suitable for this job?

(i) Optical Fiber

(ii) Co-axial cable

(iii) Ethernet cable

Write the function Selection() to sort the list using Selection sort technique. The function will take the list as parameter.

How to add an Index, row, or column to a Pandas DataFrame?