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...

  Shark Tank India: Focusing on the Innovative Technology Startups Shark Tank India has forged into a very important avenue for the business class of India as they get an opportunity to pitch their ideas and products to the panel of investors, who are called “sharks.” As with any other business on the show, technology startups have also featured, and these businesses have the potential to change markets and change lives. This post delves into some of these tech companies that attended Shark Tank India, as well as the investments and returns they acquired and facilitated. Featured Technology Startups Vivalyf Innovations - Easy Life Product: Prickless Diabetes Testing Machine Investment: ₹56 lakhs for 33.33% share Overview: With the emergence of different devices and tools to aid in diabetes care, Vivalyf Innovations has created an amazing device enabling diabetes patients make blood sugar level monitoring hassle free. This product is intended to elevate the diabetic lifestyle to a l...

  Problem Chef invented a modified wordle. There is a hidden word  � S  and a guess word  � T , both of length  5 5 . Chef defines a string  � M  to determine the correctness of the guess word. For the  � � ℎ i t h  index: If the guess at the  � � ℎ i t h  index is correct, the  � � ℎ i t h  character of  � M  is  G G . If the guess at the  � � ℎ i t h  index is wrong, the  � � ℎ i t h  character of  � M  is  B B . Given the hidden word  � S  and guess  � T , determine string  � M . Input Format First line will contain  � T , number of test cases. Then the test cases follow. Each test case contains of two lines of input. First line contains the string  � S  - the hidden word. Second line contains the string  � T  - the guess word. Output Format For each test case, print the value of string  � M . You may print each character...