We know docstring gives extra information about the function and classes in Python. We can also use it for testing of the functions using the doctest module. The doctest modules execute the code which starts with >>> and compares it against the expected output.Follow the below steps to write a ... Read More

In this tutorial, we are going to find the sum of a 2D array using map function in Python.The map function takes two arguments i.e., function and iterable. It passes every element of the iterable to the function and stores the result in map object. We can covert the map ... Read More

In this tutorial, we are going to create a simple GUI calculator using the Tkinter module. Tkinter is builtin the Python module for developing the GUI application. It's easy to use and comes with Python. We can visualize our data with GUI applications.Let's see how to create a simple GUI calculator.Import everything ... Read More

In this tutorial, we are going to learn how to create a run-length encoding in Python. Given a string return a new string containing char and frequency.For example, the string tutorialspoint will be encoded as t3u1o2r1i2a1l1s1p1n1. The order is every char+frequency. Join all of them and return. See the steps ... Read More

In this tutorial, we are going to write a program that checks whether a string contains any special character or not. It's straightforward in Python.We will have a set of special characters in the string module. We can use that one to check whether a string contains any special characters ... Read More

Sometimes you want to accept input based on certain conditions. Here, we are going to see the same type of program. We will write a program that allows only words with vowels. We will show them whether the input is valid or not.Let's see the approach step by step.Define a ... Read More

In this tutorial, we are going to learn how to print the calendar of month and year using the calendar module of Python. It's a straightforward thing in Python. We need year and month numbers. That's it.Let's see how to print a year calendar. Follow the below steps to print ... Read More

In this tutorial, we are going to learn how to multiply two matrices using the NumPy library in Python. It's straightforward with the NumPy library.It has a method called dot for the matric multiplication. You can install the NumPy library with the following command.pip install numpyLet's see the steps involved ... Read More

Given a list of numbers, move all the zeroes to the end using list comprehensions. For example, the result of [1, 3, 0, 4, 0, 5, 6, 0, 7] is [1, 3, 4, 5, 6, 7, 0, 0, 0].It's a single line code using the list comprehensions. See the following ... Read More

In this tutorial, we are going to learn to merge, join, and concat the DataFrames using pandas library. I think you are already familiar with dataframes and pandas library. Let's see the three operations one by one.MergeWe have a method called pandas.merge() that merges dataframes similar to the database join operations. Follow the ... Read More