The built-in open() function can open a file in a given directory and return a corresponding file object to it.

Parameters for open are as follows:

• file: object representing file path
• mode (optional): mode when opening file, including reading ('r'), writing ('w'), exclusive creation ('x'), appending ('a'), text ('t'), binary ('b'), and read/write ('+') modes
• errors (optional): string specifying how to handle encoding/decoding errors
• newline​ (optional): how newlines mode works (available values: None, ' ', '\n', 'r', and '\r\n'
• closed (optional): must be True (default); if given otherwise, an exception will be raised
• opener (optional): a custom opener; must return an open file descriptor

Some methods for file reading and editing, including open().write and open().read.