Prerequisites: Decision Tree, DecisionTreeClassifier, sklearn, numpy, pandas Decision Tree is one of the most powerful and popular algorithm. Decision-tree algorithm falls under the category of… Read More

Round 1: Aptitude test which consists of 30 questions . Last 2 questions are of 2 marks and as per knowledge they are very tough… Read More

Write a program to find the Average of first N natural number. Examples: Input : 10 Output : 5.5 1+2+3+4+5+6+7+8+9+10 = 5.5 Input : 7 Output… Read More

Here we are going to find the sum of the series 1 + 11 + 111 + 1111 +…..upto N terms (where N is given).Example… Read More

Prerequisite: Command_line_argument. The problem is to find the largest integers among three using command line argument. Notes: Command-line arguments are given after the name of… Read More

Given a sequence of strings, the task is to find out the second most repeated (or frequent) string in the given sequence. (Considering no two… Read More

Prerequisite : Anonymous function In the program below, we have used anonymous (lambda) function inside the map() built-in function to find the powers of 2.… Read More

final : In Java, final is a modifier which is used for class, method and variable also. When a variable is declared with final keyword,… Read More

A string contains patterns of the form 1(0+)1 where (0+) represents any non-empty consecutive sequence of 0’s. Count all such patterns. The patterns are allowed… Read More

Given an array of n-elements. Given array is a permutation of some Arithmetic Progression. Find the minimum number of De-arrangements present in that array so… Read More

Prerequisites: sum() function, len() function, round() function, reduce(), lambda, and mean(). Given a list of numbers, the task is to find average of that list.… Read More

Cognizant Technology Solutions (CTS) has revised its whole hiring process in 2017. The recruitment process is nowhere related to the one that is supposed to… Read More

Given a number n, check if it is divisible by 17 using bitwise operators. Examples: Input : n = 34 Output : 34 is divisible by… Read More

Since, unlike other programming languages, Python does not have arrays, instead, it has list. Using lists is more easy and comfortable to work with in… Read More

The job is simple. We need to take a list, with duplicate elements in it and generate another list which only contains the element without… Read More