File Handling In Python - Lecture 6 - r+ mode - Read and write both
This video Lecture contains the concept of File Handling and r+ mode - Read and write both.
r+: Opens a file for reading and writing, placing the pointer at the beginning of the file.
File handling is an important part of any application.
Python has several functions for creating, reading, updating, and deleting files.
File Handling:
-- The key function for working with files in Python is the open() function.
-- The open() function takes two parameters; filename, and mode.
*** There are following methods (modes) for working on a file**
"r" - Read - Default value. Opens a file for reading, error if the file does not exist
"a" - Append - Opens a file for appending, creates the file if it does not exist
"w" - Write - Opens a file for writing, creates the file if it does not exist
"x" - Create - Creates the specified file, returns an error if the file exists
In addition you can specify if the file should be handled as binary or text mode:
"t" - Text - Default value. Text mode
"b" - Binary - Binary mode
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