Python bytearray() Function

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Python bytearray() Function

The python bytearray() function returns a bytearray object and can convert objects into bytearray objects, or create an empty bytearray object of the specified size.

Signature

    • bytearray(x, encoding, error)

Parameters

x (optional) : It is the source that initializes the array of bytes.

encoding (optional) : It is an encoding of the string.

error (optional) : It takes action when the encoding fails.

Return

It returns an array of bytes.

Python bytearray() Function Example 1

The below example shows an array of bytes from a string:

  • string = “Python is programming language.”# string with encoding ‘utf-8’
    arr = bytearray(string, ‘utf-8’)
    print(arr)

Output:

  • bytearray(b’Python is programming language.’)

Explanation: In the above example, we take a variable that contains a string value and convert it into a bytearray object.

Python bytearray() Function Example 2

The below example shows an array of bytes of given integer size:

  • size = 5arr = bytearray(size)
    print(arr)

Output:

  • bytearray(b’\x00\x00\x00\x00\x00′)

Python bytearray() Function Example 3

The below example shows an array of bytes from an iterable list:

  • rList = [2, 3, 4, 5, 6]arr = bytearray(rList)
    print(arr)

Output:

  • bytearray(b’\x02\x03\x04\x05\x06′)

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