Pavitra has Published 88 Answers

Unit Testing in Python using Unittest

Pavitra
Pavitra
Published on 11-Sep-2019 16:57:20
In this article, we will learn about the fundamentals of software testing with the help of the unit test module available in Python 3.x. Or earlier. It allows automation, sharing of the setup and exit code for tests, and independent tests for every framework.In the unit tests, we use a ... Read More

Twitter Sentiment Analysis using Python

Pavitra
Pavitra
Published on 11-Sep-2019 16:53:08
In this article, we will be learning about the twitter sentimental analysis. We will register for twitter oAuth API, install all the dependencies and finally write our sentimental analyzer script.An API(Application programming interface) is a gateway that allows you to access some servers(Twitter) internal functionality.The prerequisite is that we have ... Read More

Python Program for simple interest

Pavitra
Pavitra
Published on 11-Sep-2019 16:50:13
In this article, we will learn about the calculation of simple interest in Python 3.x. Or earlier.Simple interest is calculated by multiplying the daily interest rate by the principal amount by the number of days that elapse between the payments.Mathematically, Simple Interest = (P x T x R)/100 Where, P ... Read More

Python Program for Selection Sort

Pavitra
Pavitra
Published on 11-Sep-2019 16:47:10
In this article, we will learn about the Selection sort and its implementation in Python 3.x. Or earlier.In the selection sort algorithm, an array is sorted by recursively finding the minimum element from the unsorted part and inserting it at the beginning. Two subarrays are formed during the execution of ... Read More

Python program for removing nth character from a string

Pavitra
Pavitra
Published on 11-Sep-2019 16:42:20
In this article, we will learn about the solution to the problem statement given below −Problem statement − We are given a string, we have to remove the ith indexed character from the given string and display it.In any string in Python, indexing always starts from 0. Suppose we have ... Read More

Python Program for Product of unique prime factors of a number

Pavitra
Pavitra
Published on 11-Sep-2019 16:38:49
In this article, we will learn about the solution to the problem statement given below −Problem statement − Given a number n, we need to find the product of all of its unique prime factors available and return it.For example, Input: num = 11 Output: Product is 11 Explanation: Here, ... Read More

Python Program for Print Number series without using any loop

Pavitra
Pavitra
Published on 11-Sep-2019 16:32:17
In this article, we will learn about the solution to the problem statement given below −Problem statement − Given Two number N and K, our problem is to subtract a number K from N until number(N) is greater than zero(0), once the N becomes negative or zero then we start ... Read More

Python Program for n-th Fibonacci number

Pavitra
Pavitra
Published on 11-Sep-2019 15:43:52
In this article, we will compute the nth Fibonacci number.A Fibonacci number is defined by the recurrence relation given below −Fn = Fn-1 + Fn-2With F0= 0 and F1 = 1.First, few Fibonacci numbers are0, 1, 1, 2, 3, 5, 8, 13, ..................We can compute the Fibonacci numbers using the ... Read More

Python Program for nth Catalan Number

Pavitra
Pavitra
Published on 11-Sep-2019 15:39:16
In this article, we will learn about calculating the nth Catalan number.Catalan numbers are a sequence of natural numbers that are defined by the recursive formula −$$C_{0}= 1\:and\:C_{n+1}=\displaystyle\sum\limits_{i=0}^n C_{i}C_{n-i} for \:n\geq0;$$The first few Catalan numbers for n = 0, 1, 2, 3, … are 1, 1, 2, 5, 14, 42, ... Read More

Python Program for Linear Search

Pavitra
Pavitra
Published on 11-Sep-2019 15:33:12
In this article, we will learn about the Linear Search and its implementation in Python 3.x. Or earlier.AlgorithmStart from the leftmost element of given arr[] and one by one compare element x with each element of arr[] If x matches with any of the element, return the index value. If ... Read More
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