Python | numpy.issubdtype() function Last Updated : 14 Mar, 2019 Comments Improve Suggest changes Like Article Like Report numpy.issubdtype() function is used to determine whether the first argument is a typecode lower/equal in type hierarchy from second argument.If the first argument is lower or equal it returns true, otherwise it returns false. Syntax : numpy.issubdtype(arg1, arg2) Parameters : arg1, arg2 : [dtype_like] dtype or string representing a typecode. Return : [bool] Boolean result. Code #1 : Python3 # Python program explaining # numpy.issubdtype() function # importing numpy import numpy as geek # selecting the argument arg1 = geek.int64 arg2 = geek.int32 # output boolean value out_val = geek.issubdtype(arg1, arg2) print ("Is the first argument lower: ", out_val) Output : Is the first argument lower: False Code #2 : Python3 # Python program explaining # numpy.issubdtype() function # importing numpy import numpy as geek # selecting the argument arg1 ='S2' arg2 = geek.string_ # output boolean value out_val = geek.issubdtype(arg1, arg2) print ("Is the first argument lower: ", out_val) Output : Is the first argument lower: True Create Quiz Comment J jana_sayantan Follow 0 Improve J jana_sayantan Follow 0 Improve Article Tags : Python Python-numpy Python numpy-DataType 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 3 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