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bytearray() in Python | Python bytearray() Function with Examples

bytearray() in Python | Python bytearray() Function with Examples with Examples on Python, Built in, Functions, abs Function, all Function, bin Function, bool Function, python Functions, new sum Function, bytes Function, new callable Function etc.

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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 = 5

arr = 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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