Python file read() usage and examples

Python File (File) Methods

Overview

read() This method is used to read a specified number of bytes from the file, or all if not specified or negative.

Syntax

The syntax of the read() method is as follows:

fileObject.read();

Parameter

• size -- The number of bytes read from the file.

Return value

Returns the bytes read from the string.

Example

The following example demonstrates the use of the read() method:

File w3The content of codebox.txt is as follows:

1:fr.oldtoolbag.com
2:fr.oldtoolbag.com
3:fr.oldtoolbag.com
4:fr.oldtoolbag.com
5:fr.oldtoolbag.com

Loop to read the content of the file:

# Open file
f = open("w3codebox.txt", "r")
print(f.read(20))

The output result of the above example is as follows:

1:fr.oldtoolbag.com
2:ww

Python File (File) Methods