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Programming in Python

File Opening Modes

Explore how to open files in Python using various modes such as read, write, and binary. Understand the importance of closing files, especially with the use of the with keyword that ensures files close properly even if exceptions occur, helping you manage system resources effectively.

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File opening modes

There are multiple file-opening modes available, as shown in the table below.

'r'

Opens a file for reading in text mode.

'w'

Opens a file for writing in text mode.

'a'

Opens a file for appending in text mode.

'r+'

Opens a file for reading and writing in text mode.

'w+'

Opens a file for writing and reading in text mode.

'a+'

Opens a file for appending and reading in text mode.

'rb'

Opens a file for reading in binary mode.

'wb'

Opens a file for writing in binary mode.

'ab'

Opens a file for appending in binary mode.

'rb+'

Opens a file for reading and writing in binary mode.

'wb+'

Opens a file for writing and reading in binary mode.

'ab+'

Opens file for appending and reading in binary mode.

Note: If the mode argument is not mentioned when ...