Can I read and write from a file at the same time Python?

How do you read and write to a file at the same time?

Opening the file with mode "w+" truncates the file (removes all contents). You can both read and write to it, but the original contents are lost. Mode "r+" would open it for reading and writing without changing the contents, and with the file position initially at the beginning of the file.

How do I open both reading and writing files in Python?

Also if you open Python tutorial about reading and writing files you will find that: 'r+' opens the file for both reading and writing.

Can two processes read and write to the same file?

During the actual reading and writing, yes. But multiple processes can open the same file at the same time, then write back. It's up to the actual process to ensure they don't do anything nasty. If your writing the processes, look into flock (file lock).

Can you read a file in write mode Python?

Python has a built-in open() function to open a file. This function returns a file object, also called a handle, as it is used to read or modify the file accordingly. We can specify the mode while opening a file. In mode, we specify whether we want to read r , write w or append a to the file.