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In Python a function is defined using the def keyword: Example. def my_function (): print ("Hello from a function") Calling a Function. To call a function, use the function name followed by parenthesis: Example. def my_function (): print ("Hello from a function") my_function () Try it Yourself » Arguments.
Python Functions (With Examples) A function is a block of code that performs a specific task. Suppose we need to create a program to make a circle and color it. We can create two functions to solve this problem: function to create a circle. function to color the shape.
Functions can take inputs (arguments) and return outputs (return values). By using functions, you can break down your code into smaller, more manageable pieces. To define a function in Python, you use the def keyword followed by the function name and parentheses.
Function definitions always start with the def keyword. Functions can be reusable, once created a function can be used in multiple programs. The print function is an example of that.
The keyword 'def' introduces a function definition. The statements that form the body of the function starts from the next line of function definition and needs indentation. The execution of the function introduces a new symbol table that is used for the function's local variable.
Example. Create and execute a function: def my_function (): print("Hello from a function") my_function () Run example » Definition and Usage. The def keyword is used to create, (or define) a function. Related Pages. Read more about functions in our Python Functions Tutorial. Python Keywords.
Defining a Python function. Here’s a simple function that shows a greeting: defgreet():""" Display a greeting to users """ print ('Hi')Code language:Python(python) This example shows the simplest structure of a function. A function has two main parts: a function definition and body.
