Python bytearray() Function

Python 内置函数Python Built-in Functions

Description

bytearray()The method returns a new byte array. The elements in this array are mutable, and the value range of each element is: 0 <= x < 256.

Syntax

The syntax of the bytearray() method is:

class bytearray([source[, encoding[, errors]]])

Parameters

  • If source is an integer, an initialized array of length source is returned;
  • If source is a string, the string is converted into a byte sequence according to the specified encoding;
  • If source is an iterable type, the elements must be integers in [0, 255];
  • If source is an object compatible with the buffer interface, this object can also be used to initialize bytearray.
  • If no parameters are provided, the default is an initialized array with 0 elements.

Return Value

Returns a new byte array.

Examples

The following example demonstrates the usage of bytearray():

>>>bytearray() bytearray(b'') >>> bytearray([1,2,3]) bytearray(b'\x01\x02\x03') >>> bytearray('example', 'utf-8') bytearray(b'example') >>>

Python 内置函数Python Built-in Functions

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