Found 10784 Articles for Python

Python Program to swap two numbers without using third variable

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:35:28

407 Views

Swapping the values of two variables is a common operation in programming. Typically, the swap is performed using a third variable to temporarily store one of the values. However, in some cases, we may want to swap two numbers without using an additional variable. This can be particularly useful in scenarios where memory optimization is a concern or when working with restricted environments. In this article, we will explore a Python program that allows us to swap two numbers without using a third variable. We will discuss the traditional approach of using a temporary variable for swapping and introduce an ... Read More

Find the Geometric mean of a given Pandas Dataframe.

Jaisshree
Updated on 10-Aug-2023 15:34:34

449 Views

Pandas Dataframe, a python open-source library, is used for storing, deleting, modifying, and updating data in tabular form. It is designed so that I can easily integrate with Python programs for data analysis. It provides various ways of data manipulation techniques and tools for processing data. The mathematical notion of geometric means is a highly useful concept for the determination of average or central tendencies within a given set of numerical data. This is achieved by multiplying each individual number present within the data set, resulting in an nth root. The value of n, in turn, is dictated by ... Read More

Python Program to swap the First and the Last Character of a string

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:33:27

1K+ Views

In this article, we will explore a Python program to swap the first and last character of a string. Swapping characters within a string can be a useful operation in various scenarios, such as data manipulation, text processing, or even string encryption. By swapping the first and last characters, we can transform the string and potentially change its meaning or representation. We will dive into the details of solving this problem efficiently using Python. We will discuss the approach, provide a step-by-step algorithm, and implement the solution using Python code. Additionally, we will include test cases to validate the program's ... Read More

Filtering a PySpark dataframe using isin by Exclusion

Jaisshree
Updated on 10-Aug-2023 15:26:50

895 Views

Python is an object-oriented, dynamically semantic, high-level, interpreted programming language. Rapid Application Development, as well as used as a scripting or glue language to- bring existing components together, find its high-level built-in data structures, coupled with dynamic type and dynamic binding, to be particularly appealing. PySpark Dataframe Data is organized into named columns in PySpark dataframes which are distributed collections of data that can be run on different computers. These dataframes may draw from existing resilient distributed datasets (RDDs), external databases, or structured data files. Syntax - Isin () isin(list_) The list_ a=parameter takes the value of ... Read More

Python program to Swap Keys and Values in Dictionary

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:30:55

3K+ Views

Dictionaries are a fundamental data structure in Python, providing a way to store key-value pairs. They offer quick and efficient access to values based on their associated keys. However, there may be scenarios where you need to reverse the roles of keys and values in a dictionary. This is where the concept of swapping keys and values becomes valuable. In this article, we will explore a Python program that swaps the keys and values in a dictionary. We will delve into the step-by-step approach and provide a detailed implementation of the program. Along the way, we will discuss potential use ... Read More

Filter Pandas DataFrame Based on Index

Jaisshree
Updated on 10-Aug-2023 15:19:43

267 Views

NumPy, which offers high-performance data manipulation and analysis capabilities, is the foundation for the Python package Pandas. It introduces the Series and DataFrame data structures. Any sort of data can be stored in a series, which is a one-dimensional labeled array. It is comparable to a column in a database table or spreadsheet. The Series object is labeled, which means each member has an associated index, making data access and manipulation quick and simple. Similar to a spreadsheet or a SQL table, a data frame is a two-dimensional tabular data structure made up of rows and columns. It is ... Read More

Python program to Swap i_th with j_th elements in List

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:26:38

117 Views

In Python, lists are versatile data structures that allow us to store and manipulate collections of items. There may be situations where we need to interchange or swap the positions of elements within a list. In this blog post, we will explore how to write a Python program to swap the i'th and j'th elements in a list. Understanding the Problem The task at hand is to develop a Python program that takes a list as input and swaps the positions of the i'th and j'th elements in the list. For example, given the list [1, 2, 3, 4, 5], ... Read More

Python Program to Swap dictionary item_s position

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:23:34

86 Views

Dictionaries in Python are versatile data structures that allow us to store and manipulate key-value pairs. While dictionaries maintain an unordered collection, there may be situations where we need to swap the positions of items within a dictionary. In this blog post, we will explore how to write a Python program to swap the positions of dictionary items. Understanding the Problem The task at hand is to develop a Python program that takes a dictionary as input and swaps the positions of its items. For example, given the dictionary my_dict = {'A': 1, 'B': 2, 'C': 3}, the program should ... Read More

FileExtensionValidator – Validate File Extensions in Django

Jaisshree
Updated on 10-Aug-2023 15:16:22

640 Views

Developers can rapidly and simply design web apps using the high-level Python web framework Django. A complete collection of tools and libraries is provided for creating web applications, and it adheres to the Model-View-Controller (MVC) architectural paradigm. Why is Django used in Python? From modest personal endeavours to extensive commercial solutions, Django is used to create all kinds of web applications. The construction of intricate, data-driven websites, including the social networking sites such as instagram, e-commerce platforms, and content management systems, is where it excels. Numerous functions are available out of the box with Django, such as URL ... Read More

Python Program to Square Each Odd Number in a List using List Comprehension

Mrudgandha Kulkarni
Updated on 10-Aug-2023 15:22:09

658 Views

List comprehension is a powerful feature in Python that allows for concise and expressive code when working with lists. It provides a compact way to perform operations on elements of a list and create new lists based on certain conditions. In this blog post, we will explore how to use list comprehension to square each odd number in a list. Understanding the Problem The task at hand is to write a Python program that takes a list of numbers as input and squares each odd number in the list. For example, given the list [1, 2, 3, 4, 5], the ... Read More

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