Prerequisite: Regular expression in PythonGiven a string, write a Python program to check whether the given string is ending with only alphanumeric character or Not.Examples:...

Given a string, the task is to remove all the characters except numbers and alphabets. String manipulation is a very important task in a day to day coding and web development. Most of the requests and responses in HTTP queries are in the form of Python strings with sometimes some useless data which we need to remove....

In this article, we are going to see how to add a music playlist in Pygame....

In this article, we will use the cond() function of the NumPy package to calculate the condition number of a given matrix. cond() is a function of linear algebra module in NumPy package....

Given an integer N, the task is to print a number diamond of size N in rangoli style where N means till Nth number from number ‘1’....

Sometimes, while working with Python strings, we can have a problem in which we need to extract certain words in a string excluding the initial and rear K words. This can have application in many domains including all those include data. Lets discuss certain ways in which this task can be performed....

With the help of hashlib.sha3_256() method, we can convert the normal string in byte format is converted to an encrypted form. Passwords and important files can be converted into hash to protect them with the help of hashlib.sha3_256() method....

Given a list of tuples, the task is to print another list containing tuple of same first element. Below are some ways to achieve above tasks....

Sometimes, we require to reduce the length of the python list but other times we might also require to increase its size, and that too by repeating every element N times. This type of utility can come in day-day programming. Let’s discuss certain ways in which this can be achieved....

Given a List of elements, test if all elements are even in a range....

Given a dictionary, perform flattening and removal of certain dictionary keys....

Sometimes, we come across an issue in which we require to delete the first K characters from each string, that we might have added by mistake and we need to extend this to the whole list. This type of utility is common in web development. Having shorthands to perform this particular job is always a plus. Let’s discuss certain ways in which this can be achieved....