Introduction to Python Functions for beginners

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Learn how to create functions step by step
What you’ll learn
  • How to create functions
  • How to use return keyword in functions
  • How to use default parameter value
  • How to use keyword arguments
  • How to create functions returning other functions
  • How to nest functions
  • How to pass functions as arguments
  • How to create anonymous functions

Requirements
  • Basic understanding of using a computer
  • Basic understanding of using the internet
Description

Functions are an essential part of the Python programming language.

A function is a block of code which only runs when it is called.

You can pass data, known as parameters, into a function and a function can return data as a result.

Functions are a convenient way to divide your  code into useful blocks, allowing us to order

our code, make it more readable, reuse it and save some time.

Also functions are a key way to define interfaces so programmers can share their code.

Functions provide better modularity for your  application and a high degree of code reusing.

You  can use functions in programming to bundle a set  of instructions that you want to use repeatedly or that,

because of their complexity, are better  self-contained in a sub-program and called when needed.

That means that a function is a piece of code written to carry out a specified task.

To carry out that specific task, the function might or might not need multiple inputs.

When the task is carried out, the function  can or can not return one or more values.

There are three types of functions in Python:

  • Built-in functions, such as help() to ask for help, min()  to get the minimum value, print() to print an object to the terminal.
  • User-Defined Functions (UDFs), which are functions that users create to help them out
  • Anonymous functions, which are also called lambda functions  because they are not declared with the standard def keyword.
Who this course is for:
  • Beginners to Python
  • Beginners to Programming
  • Beginners to web development

 

Download links
Introduction to Python Functions for beginners
Password

Password : freetuts.download

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About the Author: Ho Quang Dai

I am Ho Quang Dai. Looking forward to receiving positive contributions from readers

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