copy.deepcopy()
UtilityCreates a deep copy of an object, recursively copying all nested objects.
Signature
copy.deepcopy(x)
Returns
anyExample
import copy
original = {'a': [1, 2, 3], 'b': {'c': 4}}
clone = copy.deepcopy(original)
clone['a'].append(4)
print(original['a']) # [1, 2, 3] (unchanged)About copy.deepcopy()
copy.deepcopy is a Python utility function with the signature copy.deepcopy(x). Creates a deep copy of an object, recursively copying all nested objects. It returns a value of type any.
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 copy.deepcopyfunction is commonly used in data processing, web development, scripting, and automation tasks.
When working with copy.deepcopy(), 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.