Python delattr()

The delattr() function takes an object as a parameter and removes an attribute from the object.

delattr(object, name) #where name is the name of attribute
 

delattr() Parameters:

The function takes as a parameter an object, the attribute which is to be deleted can be passed as an optional parameter.

delattr() Return Value

The delattr() function doesn't return anything. It only removes the attribute from the object

Examples of delattr() method in Python

class Student:
name = "Ram" age = 22
course = "Bachelors"
Student1 = Student()
delattr(Student, 'age') #Removing age attribute
print("Student's name is ",Student 1.name) 
print("Student's country is ",Student 1.country)
print("Student's age is ",Student 1.age) # Raises error since age is not found

 

Output:

Student's name is John 
Student's country is Norway
AttributeError: 'Student' object has no attribute 'age'

class Coordinate:
  x = 20
  y = -15
  z = 0

value1 = Coordinate() 

print('x = ',value1.x)
print('y = ',value1.y)
print('z = ',value1.z)

delattr(Coordinate, 'z')

print('--After deleting z attribute--')
print('x = ',value1.x)
print('y = ',value1.y)

# Raises Error
print('z = ',value1.z)
 

Output:

x =  20
y =  -15
z =  0
--After deleting z attribute--
x =  20
y =  -15
Traceback (most recent call last):
  File "python", line 19, in 
AttributeError: 'Coordinate' object has no attribute 'z'