Python hasattr() function

Python hasattr() function

The hasattr() function in Python returns a Boolean value ‘True’ if the given object has the specified attribute, else it returns False.

Syntax


hasattr(object, name)

hasattr(object, name)

Parameter

object: it is a required parameter which represents an object.

attribute: This parameter represents the name of the attribute you want to check if it exists.

Return

This function returns a Boolean value ‘True’ if the given object has the specified attribute

Example 1


# Python Program explaining
# the hasattr() function
class Student:
  student = "John"
  marks = 36
val = hasattr(Student, 'marks')
print(val)

# Python Program explaining

# the hasattr() function

class Student:

student = "John"

marks = 36

val = hasattr(Student, 'marks')

print(val)

Output


True

True

Example 2


# Python Program explaining
# the hasattr() function
class Example :
    name = "TutorialsAndExamples"
    age = 14
# initializing object
val = Example()
# using hasattr() to check name
print ("Name attribute exists in the class:  " + str(hasattr(val, 'name')))

# Python Program explaining

# the hasattr() function

class Example :

name = "TutorialsAndExamples"

age = 14

# initializing object

val = Example()

# using hasattr() to check name

print ("Name attribute exists in the class: " + str(hasattr(val, 'name')))

Output


Name attribute exists in the class:  True

Name attribute exists in the class: True

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