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This tutorial discussed stdin the methods of reading input from in Python. You can read directly from the console or from a file name specified in the console. In Python, fileinput.input() use stdin fileinput We can use the read module in P...

This tutorial explains how to get a key with the maximum value in Python. Since the method has changed from the previous Python versions, it also lists some sample codes to clarify the concepts. Use operator.itemgetter() the method to get t...

This tutorial will discuss various ways to change the value of a particular key in Python dictionary. We can do this by using the following methods. dict.update() method for cycle. Dictionary Unpacking dict.update() How to change dictionary...

The function in Python enumerate() returns an object of enumeration type and adds a counter variable to iterate over a list or other type of collection. It makes looping over such objects easier. When we pass an enumeration object to list()...

This tutorial explains how we can draw arbitrary lines in Matplotlib using matplotlib.pyplot.plot() the method, matplotlib.pyplot.vlines() the method, or matplotlib.pyplot.hlines() the method and . matplotlib.collections.LineCollection Matp...

This tutorial explains how we can display LaTex formulas or equations in Matplotlib. LaTex Writing formulas in Matplotlib Python import math import numpy as np import matplotlib.pyplot as plt x = np . linspace( 0 , 2 * math . pi, 100 ) y =...

This tutorial shows how to draw a grid on a plot in Python Matplotlib. We will use grid() the function to achieve this. It also shows how to use grid() the function parameters to customize the color and shape of the grid, or even draw only...

If we have two numbers a and m , then a the modular multiplicative inverse of is m modulo x if: a * x % m = 1 In this case, the multiplicative inverse exists only if a and m are relatively prime, that is, if the greatest common divisor of a...

Trigonometry is a field of mathematics that studies the relationship between the angles and side lengths of triangles. The relationship between angles and sides is calculated with the help of some special operations, such as 正弦 ,,,, etc...

Ceiling division returns the nearest integer that is greater than or equal to the current answer or quotient. In Python, we have an operator // for floor division, but there is no operator for ceiling division. This article will discuss the...

Mathematically speaking, the binomial coefficient is r the number of combinations of items that can be used to form a set n of items, or we can say that this coefficient is the number of ways to choose an outcome in an unordered way from th...

This tutorial demonstrates how to get the current date in Python. datetime Get the current date in Python using the module datetime The module has utility functions dedicated to date and time manipulation in Python. Inside the module, it ha...

datetime This tutorial will explain various ways to get hours and minutes from a string containing date and time using the Hours and Minutes module in Python . The Hours and Minutes datetime module provides classes for formatting and manipu...

Selenium is a powerful web automation and testing tool. We use Selenium to write scripts, which can control the web browser and perform specific actions. In this guide, we will use Python to write a script that will automatically open and c...

This tutorial will demonstrate different ways to write tabular data to an excel file in Python. DataFrame.to_excel() Export data to Excel using the function in Python If we want to write tabular data to an Excel worksheet in Python, we can...