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Web scraping is only one of the many uses for the flexible programming language Python. We'll discover how to use Python to extract station codes for Indian Railways in this blog post. Each Indian railway station has a specific identification number, or station code. They are used to make reservations for tickets, look at train timetables, and find other relevant data. Installation To start with, we need to install the requests and Beautiful Soup libraries. Requests is a Python library used for sending HTTP requests, while Beautiful Soup is a library used for web scraping purposes. To install requests, open ... Read More
Lists are a common data structure in Python for storing a collection of objects. On occasion, you might need to locate the index of a certain item in the list using the value of a particular characteristic. This can be a difficult process, particularly if the list has a lot of things but Python has a simple method for obtaining the index in the list of objects by attribute which we will be exploring in this article. Syntax To find the index in the list of objects according to an attribute, use the syntax shown below − index = next((i ... Read More
"Flight status" refers to the present condition of a flight, such as whether it is on schedule, running behind schedule, or being cancelled. You may find out the status of a flight by visiting the airline's website and entering the flight number or the airports of departure and arrival. The essential data is then taken from the HTML page and structured by the BeautifulSoup module and used to assess if a flight is on time, delayed, or cancelled. To obtain the flight status for this blog post, we'll utilise Python. Installation It's essential that Python and the BeautifulSoup library ... Read More
Pickle is a Python module that is used for serializing and deserializing Python objects. It allows you to save and load complex data structures, such as lists, dictionaries, and even custom objects, in a binary format. Pickling objects is a great way to store data, you might encounter scenarios where you need to search for specific information within a pickle file. In this article, we'll explore various methods to search a pickle file in Python. Understanding Pickle File A pickle file is a binary file that contains serialized Python objects. The pickle module in Python provides functions to ... Read More
Working with large datasets in Pandas can often be a daunting task, especially when it comes to retrieving the first few records of a dataset. In this article, we will explore the various ways to get the first n records of a Pandas DataFrame. Installation and Syntax We must make sure that Pandas is installed on our system before moving further with the implementation so run the pip command in your terminal − pip install pandas Once installed, we can create a DataFrame or load a CSV and then retrieve the first N records. Algorithm A Pandas DataFrame's first ... Read More
Trading, investing, and other financial professionals need access to financial data since investment research is reliant on it. Yahoo Finance, which offers up-to-date market statistics, news, and analysis, is one of the most well-known sources of financial information. Python is a robust and flexible programming language that can be used to extract financial data from Yahoo Finance, so in this post, we'll be utilizing the yfinance package to do just that. Installation and Syntax Before we get started, we need to install the yfinance library, which allows us to access Yahoo Finance data from Python. We can install yfinance using ... Read More
Problem Statement We have given a string str containing the numeric and alphabetical characters. We need to find the sum of all numbers represented by a continuous sequence of digits available in the given string. Sample Examples Input str = “12were43” Output 55 Explanation The sum of 12 and 43 is equal to 55. Input str = “1a2c3d” Output 6 Explanation The sum of 1, 2, and 3 is 6. Input str = “werderfrewsf” Output 0 Explanation It gives 0 in the output as the string contains no digit. Our logic to solve the ... Read More
Problem Statement We have given a string str containing a total of N words. We need to find all palindrome words in the given string and create a new string by reversing the order of all palindrome words. Sample Examples Input str = ‘nayan was gone to navjivan eye hospital’ Output ‘eye was gone to navjivan nayan hospital’ Explanation The string contains three palindrome words: nayan, navjivan, and eye. We have reversed the order of all three words and kept all other words the same. Input ‘Hello, users! How are you?’ Output ‘Hello, users! How are you?’ ... Read More
Go and Erlang are two popular programming languages that are frequently utilized for building large-scale, conveyed, and fault-tolerant frameworks. Whereas both languages have their claims and various kinds of highlights and qualities, both share a common objective of giving designers effective devices for building versatile and adaptable frameworks. In this article, we'll compare Go and Erlang in terms of their concurrency models, fault-tolerance highlights, syntax, performance, and community support. By understanding the qualities and shortcomings of these two languages, developers can make educated choices approximately as to which language to utilize for their next project. Go Go is outlined for ... Read More
Problem Statement We have given binary string str, and we require to remove minimum characters from the string such that we can place all zeros before 1. Sample Examples Input str = ‘00110100111’ Output 3 Explanation Here, we can achieve output 3 in two ways. We can either remove arr[2], arr[3], and arr[5] or arr[4], arr[6], and arr[7] from the string. Input str = ‘001101011’ Output 2 Explanation We can remove arr[4] and arr[6] to place all zeros before 1. Input str = ‘000111’ Output 0 Explanation In the given str, all ... Read More