bytearray()
TypeReturns a mutable array of bytes. Can be created from strings, integers, or iterables.
Signature
bytearray(source, encoding, errors)
Returns
bytearrayExample
ba = bytearray(b'hello') ba[0] = 72 # Change 'h' to 'H' print(ba) # bytearray(b'Hello')
About bytearray()
bytearray is a Python type function with the signature bytearray(source, encoding, errors). Returns a mutable array of bytes. Can be created from strings, integers, or iterables. It returns a value of type bytearray.
Python provides a rich set of built-in functions and standard library modules that cover common programming tasks. Understanding these functions helps you write more idiomatic, efficient Python code. The bytearrayfunction is commonly used in data processing, web development, scripting, and automation tasks.
When working with bytearray(), consider edge cases like empty inputs, None values, and type mismatches. Python's duck typing means many built-in functions work with any object that implements the required protocol (e.g., __len__ for len(), __iter__ for iteration). This flexibility is a key strength of Python's design philosophy.