Python | Decimal is_nan() method Last Updated : 05 Sep, 2019 Comments Improve Suggest changes Like Article Like Report Decimal#is_nan() : is_nan() is a Decimal class method which checks whether the Decimal value is NaN value. Syntax: Decimal.is_nan() Parameter: Decimal values Return: true - if the Decimal value is NaN value; otherwise false Code #1 : Example for is_nan() method Python3 # Python Program explaining # is_nan() method # loading decimal library from decimal import * # Initializing a decimal value a = Decimal(-1) b = Decimal('nan') # printing Decimal values print ("Decimal value a : ", a) print ("Decimal value b : ", b) # Using Decimal.is_nan() method print ("\n\nDecimal a with is_nan() method : ", a.is_nan()) print ("Decimal b with is_nan() method : ", b.is_nan()) Output : Decimal value a : -1 Decimal value b : NaN Decimal a with is_nan() method : False Decimal b with is_nan() method : True Code #2 : Example for is_nan() method Python3 # Python Program explaining # is_nan() method # loading decimal library from decimal import * # Initializing a decimal value a = Decimal('-3.14') b = Decimal('321e + 5') # printing Decimal values print ("Decimal value a : ", a) print ("Decimal value b : ", b) # Using Decimal.is_nan() method print ("\n\nDecimal a with is_nan() method : ", a.is_nan()) print ("Decimal b with is_nan() method : ", b.is_nan()) Output : Decimal value a : -3.14 Decimal value b : 3.21E+7 Decimal a with is_nan() method : False Decimal b with is_nan() method : False Create Quiz Comment N noobestars101 Follow 0 Improve N noobestars101 Follow 0 Improve Article Tags : Python Explore Python FundamentalsPython Introduction 2 min read Input and Output in Python 4 min read Python Variables 4 min read Python Operators 4 min read Python Keywords 2 min read Python Data Types 8 min read Conditional Statements in Python 3 min read Loops in Python - For, While and Nested Loops 5 min read Python Functions 5 min read Recursion in Python 4 min read Python Lambda Functions 5 min read Python Data StructuresPython String 5 min read Python Lists 4 min read Python Tuples 4 min read Python Dictionary 3 min read Python Sets 6 min read Python Arrays 7 min read List Comprehension in Python 4 min read Advanced PythonPython OOP Concepts 11 min read Python Exception Handling 5 min read File Handling in Python 4 min read Python Database Tutorial 4 min read Python MongoDB Tutorial 2 min read Python MySQL 9 min read Python Packages 10 min read Python Modules 3 min read Python DSA Libraries 15 min read List of Python GUI Library and Packages 3 min read Data Science with PythonNumPy Tutorial - Python Library 3 min read Pandas Tutorial 4 min read Matplotlib Tutorial 5 min read Python Seaborn Tutorial 3 min read StatsModel Library - Tutorial 3 min read Learning Model Building in Scikit-learn 6 min read TensorFlow Tutorial 2 min read PyTorch Tutorial 6 min read Web Development with PythonFlask Tutorial 8 min read Django Tutorial | Learn Django Framework 7 min read Django ORM - Inserting, Updating & Deleting Data 4 min read Templating With Jinja2 in Flask 6 min read Django Templates 5 min read Build a REST API using Flask - Python 3 min read Building a Simple API with Django REST Framework 3 min read Python PracticePython Quiz 1 min read Python Coding Practice 1 min read Python Interview Questions and Answers 15+ min read Like