Dev2Py

Lock PDF using Python step-by-step  Method - 1 To lock a PDF file using Python, you can use the PyPDF2 library. The following steps outline the process: Install the PyPDF2 library: Copy code pip install PyPDF2 Open the original PDF file and create a new PdfFileReader object: makefile Copy code pdf_file = open("original.pdf", "rb") pdf_reader = PyPDF2.PdfFileReader(pdf_file) Create a new PdfFileWriter object to store the locked version of the PDF file: makefile Copy code pdf_writer = PyPDF2.PdfFileWriter() Loop through each page of the original PDF file and add it to the new PdfFileWriter object: scss Copy code for page_num in range(pdf_reader.numPages):     page = pdf_reader.getPage(page_num)     pdf_writer.addPage(page) Encrypt the new PdfFileWriter object with a password: python Copy code pdf_writer.encrypt("password") Save the locked PDF file: lua Copy code locked_pdf = open("locked.pdf", "wb") pdf_writer.write(locked_pdf) Close both...

Extract audio from video using python step by step  Method -1 To extract audio from a video file using Python, you can use the pydub library. The following is a step-by-step process to extract audio from a video file: Install the pydub library by running the following command in your terminal or command prompt:      pip install pydub Import the required modules: python Copy code      from pydub import AudioSegment Load the video file using the AudioSegment.from_file method: python Copy code     video = AudioSegment.from_file ( " video.mp4 " , format = " mp4 " ) Use the export method to save the audio as a separate file: python Copy code     video.export ( " audio.wav " , format = " wav " ) Here is the complete code: python Copy code     from pydub import AudioSegment     video = AudioSegment.from_file ( " video.mp4 " ,      format = " mp4 " )     video.export ( " audio.wav " , form...

  Hi Guys, In this tutorial, you will learn python to read CSV examples. you'll learn python to get data from CSV files. We will look at an example of a python read CSV file example. I explained simply about the python program to read data from CSV files. You just need to some steps to done read data from the CSV file python. Reading a CSV (Comma Separated Values) file in Python is a very common task for data analysis and manipulation. One of the most popular libraries for reading and writing CSV files in Python is the "pandas" library. Here is an example of how to use the "pandas" library to read a CSV file in Python: Copy code import pandas as pd # Read CSV file df = pd.read_csv( 'example.csv' ) # Print the dataframe print (df) In this example, we first import the "pandas" library using the "import" statement. Next, we use the "read_csv()" function to read the contents of the CSV file 'example.csv' into a dat...

What is Python? Python is a powerful and versatile programming language that has become increasingly popular in recent years. Whether you are a beginner looking to learn the basics of programming or an experienced developer looking to expand your skills, Python is a great choice. One of the reasons Python is so popular is its simplicity. The language is designed to be easy to read and write, making it a great choice for beginners. Python also has a large and active community, which means there are plenty of resources and tutorials available to help you learn. Another reason Python is so popular is its versatility. The language can be used for a wide range of tasks, including web development, data science, artificial intelligence, and more. This makes it a great choice for anyone looking to work in a specific field or simply explore different areas of programming. To get started with Python, you will first need to install the language on your computer. This is a relatively simple proces...