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Showing posts with the label Concatenate Strings

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How to Read a CSV File from Amazon S3 Using Python (With Headers and Rows Displayed)

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  Introduction If you’re working with cloud data, especially on AWS, chances are you’ll encounter data stored in CSV files inside an Amazon S3 bucket . Whether you're building a data pipeline or a quick analysis tool, reading data directly from S3 in Python is a fast, reliable, and scalable way to get started. In this blog post, we’ll walk through: Setting up access to S3 Reading a CSV file using Python and Boto3 Displaying headers and rows Tips to handle larger datasets Let’s jump in! What You’ll Need An AWS account An S3 bucket with a CSV file uploaded AWS credentials (access key and secret key) Python 3.x installed boto3 and pandas libraries installed (you can install them via pip) pip install boto3 pandas Step-by-Step: Read CSV from S3 Let’s say your S3 bucket is named my-data-bucket , and your CSV file is sample-data/employees.csv . ✅ Step 1: Import Required Libraries import boto3 import pandas as pd from io import StringIO boto3 is...
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2 Best Ways to Concatenate Strings in Python

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Concatenation of strings in Python is possible by using the plus and join method. You can also do it in other ways. But in my point of view, these two are the best methods. What are Strings? A string represents in quotes. Let us see the data. It can have all kinds of data. A lot you can do by manipulating strings. Concatenation is one. Example for strings  Stringa='Uncle' Stringb='is' Stringc='Married' Above example, you can see three strings. To make all these strings into a single, you need the concept of concatenation. What is string concatenation? String concatenation is a frequent activity in data science. Knowing this concept is helpful in your project and interviews as well. You can do it using the two best methods. One is you can use plus operator. For the other one, you can use the join method. #1: Using the plus operator Stringa='Uncle' Stringb='is' Stringc='Married' print(Stringa + ' ' + Stringb + ' ' + Stringc)...
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