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# Python2.x Python setattr() Function [ Python Built-in Functions](#) * * * ## Description The **setattr()** function corresponds to the [getattr()](#) function and is used to set attribute values. The attribute does not necessarily have to exist. ## Syntax setattr() syntax: setattr(object, name, value) ## Parameters * object -- Object. * name -- String, the object attribute. * value -- Attribute value. ## Return Value None. ## Example The following example demonstrates the usage of the setattr() function: Assigning a value to an existing attribute: >>>class A(object): ... bar = 1 ... >>>a = A()>>>getattr(a, 'bar')# Get attribute bar value 1>>>setattr(a, 'bar', 5)# Set attribute bar value>>>a.bar 5 If the attribute does not exist, a new object attribute will be created and assigned a value: >>>class A(): ... name = "tutorial" ... >>>a = A()>>>setattr(a, "age", 28)>>>print(a.age)28>>> [ Python Built-in Functions](#)