user-defined function

/ˈjuːzər dɪˈfaɪnd ˈfʌŋkʃən/
custom function created by a user

In Python, you can create a user-defined function to perform specific tasks.

This means writing a function that isn't part of the standard library but is tailored to your needs.


Technology
technical

A function created by a user in a programming language to perform specific tasks not covered by built-in functions.

The data scientist wrote a user-defined function to clean and preprocess the dataset.

This function was custom-made to handle the specific data formatting requirements.

User-defined functions are common in programming to extend functionality beyond what the language provides by default.

Collocations

define a user-defined functionto create a custom function in codecall a user-defined functionto execute a custom function

Related Phrases

lambda functionphrase
a small anonymous function in Python
helper functionphrase
a function designed to assist another function

Pro Tip

Naming Conventions

Use descriptive names for user-defined functions to clarify their purpose.

Gold Rule

Reusability

Design user-defined functions to be reusable across different parts of your code.

Word Origin

Derived from the combination of 'user' (someone who uses a system) and 'defined function' (a function explicitly created by the user).

Usage Notes

User-defined functions are widely used in programming to encapsulate reusable logic, improve code readability, and reduce redundancy.

Word Breakdown

user
the person who creates or uses the function
root
+
defined
explicitly created or specified
root
+
function
a block of reusable code that performs a specific task
root
English Dictionary