open('file.txt', 'r')

open('file.txt', 'x')

open('file.txt', 'w')

open('file.txt', 'a')

io

fileutils

tempfile

os.path

The file is opened in read-only mode

The file is created

An empty file is returned

A FileNotFoundError is raised

It may consume too much memory

It skips lines

It raises an exception if the file is too small

It adds extra characters

File is opened in text mode

Temporary file

Tab-delimited file

File is truncated

The first 5 lines

An error

The next 5 characters

The last 5 characters

writeblock()

write()

writeall()

writelines()

It treats the file as a binary file

It sets the buffer size to binary

It buffers the file in memory

It breaks the file into lines

The data is automatically converted

An exception is raised

The file is corrupted silently

A warning is issued

Code continues as normal

The exception is handled if an except matches

SyntaxError is raised

The exception is ignored