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Python Functions. 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.
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.
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 following is the syntax of defining a function. Syntax: def function_name (parameters): """docstring""" statement1 statement2 ... ... return [expr] The keyword def is followed by a suitable identifier as the name of the function and parentheses.
28 lip 2021 · Python Function Syntax. The following snippet shows the general syntax to define a function in Python: def function_name(parameters): # What the function does goes here return result. You need to use the def keyword, give your function a name, followed by a pair of parentheses, and end the line with a colon (:).
20 lip 2022 · To define a function in Python, you type the def keyword first, then the function name and parentheses. To tell Python the function is a block of code, you specify a colon in front of the function name. What follows is what you want the function to do. The basic syntax of a function looks like this: def function_name (): # What you want the ...
16 mar 2022 · Basic Syntax for Defining a Function in Python. In Python, you define a function with the def keyword, then write the function identifier (name) followed by parentheses and a colon. The next thing you have to do is make sure you indent with a tab or 4 spaces, and then specify what you want the function to do for you. def functionName (): # What ...
