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Showing posts with the label Python Recursion Example

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Step-by-Step Guide to Reading Different Files in Python

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 In the world of data science, automation, and general programming, working with files is unavoidable. Whether you’re dealing with CSV reports, JSON APIs, Excel sheets, or text logs, Python provides rich and easy-to-use libraries for reading different file formats. In this guide, we’ll explore how to read different files in Python , with code examples and best practices. 1. Reading Text Files ( .txt ) Text files are the simplest form of files. Python’s built-in open() function handles them effortlessly. Example: # Open and read a text file with open ( "sample.txt" , "r" ) as file: content = file.read() print (content) Explanation: "r" mode means read . with open() automatically closes the file when done. Best Practice: Always use with to handle files to avoid memory leaks. 2. Reading CSV Files ( .csv ) CSV files are widely used for storing tabular data. Python has a built-in csv module and a powerful pandas library. Using cs...
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How to Write Recursive Function in Python Quickly

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Here's an example to write RECURSIVE function in Python. It acts like a loop that iterate within the function to perform some operation. Precisely, if you call the same function from function is called  recursive function .     Python recursive function Here are four rules a developer should know before writing recursive function in Python: There must be a key variable, which will be responsible for the termination of recursion. To determine the base value , which the key variable has to meet to reach the termination. To make sure the key variable must approach the base value in every recursive call. To make the recursive function terminate when the key variable reaches the base value. Python recursive example Here is an example python recursive function. # This program computes the factorial of a number using recursion #function definition def fact(n): "computes factorial using recursion" if n == 0:     return 1 else :     return n * fact(n - 1...
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