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Python For Starters
  • Overview
  • Python for starters
  • Content
  • Foreword
  • Introduction To Python
    • Python Installation
    • Variables
    • Python Data Types
    • Python Data Structures
    • Python numbers
    • Python strings
    • Python Boolean
    • Python constants
    • Python Comments
    • Type Conversion
    • Control flow in python
  • Python Functions
    • Function Definition
    • Function Parameter
    • Recursive Functions
    • Using Global Variables in Functions
    • Lambda Functions
  • What are Data Structures
    • Python Lists
    • Python Tuples
    • Python Dictionaries
    • Python Sets
    • Iterable in python
    • Python Map, Filter & Reduce Functions
  • Error handling in Python
  • Loop ... Else Clause, Partial Functions & Type Hints
    • Partial Functions
    • Type Hints
  • Python Modules
  • Python Libraries & Packages
    • Python Packages
  • Directory & IO
    • Python IO Module
  • Pyenv
  • Virtual Environments
    • Pipenv
    • Virtualenv
  • Object Oriented Programming in Python
    • Class
    • Class Methods
    • Python Class Inheritance
    • Python Class Polymorphism
    • Python special methods
  • Appendix
  • Contributing
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  1. Introduction To Python

Python numbers

Numbers

Python has three built-in numeric data types: integers, floating-point numbers, and complex numbers. In this section, you'll learn about integers and floating-point numbers, which are the two most commonly used number types. You'll learn about complex numbers in a later section.

# numbers.py - file name

number = 1
decimal_number1 = .5
decimal_number2 = 10.5

# you can use the underscores to make the numbers more visible when coding
# The underscores will not be added to the output
salary = 21_500_000

pi = 3.142
r = 5

# simple arithmetic operation using python number type
area = pi * r ** r
print(area)

To run the code, simply open your terminal for Mac OS users, command prompt or powershell for Windows OS users and run the following command:

python numbers.py

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Last updated 1 year ago