Python setattr() function

Python setattr() function

The setattr() function sets the value of the specified attribute of the specified object.

Syntax

setattr(object, name, value)

Parameter

object: This parameter represents any object.

name: This parameter represents the name of the attribute you want to set.

value: It signifies the value you want to give the specified attribute.

Return

none

Example 1

 # Python program explaining 
 # the setattr() function
 # initializing class  
 class Set: 
     str_val = 'Hello'
 # initializing the object 
 obj = Set() 
 print("Before setattr name : ", obj.str_val) 
 setattr(obj, 'str_val', 'Hello World') 
 print("After setattr name : ", obj.str_val) 

Output

Before setattr name :  Hello
After setattr name :  Hello World

Example 2

 # Python program explaining 
 # the setattr() function
 class Student:
   stdName = "Reema"
   stdAge = 21
   University="MVN"
 print("Before setting the value age is: ",Student.stdAge)
 setattr(Student, 'stdAge', 40)
 # The age property will now have the value: 40
 val = getattr(Student, 'stdAge')
 print("After setting value the age is: ",Student.stdAge) 

Output

Before setting the value age is:  21
After setting value the age is:  40