Python: Setting Attributes from Dictionary - Learn How

  1. Introduction:
  2. Setting Attributes from Dictionary:
  3. Conclusion:


Python is a powerful and versatile language that is widely used in various fields. It is known for its simplicity, readability, and ease of use. One of the many features that make Python so popular is its ability to set attributes from a dictionary. In this article, we will learn how to set attributes from a dictionary in Python.

Setting Attributes from Dictionary:

In Python, we can set attributes from a dictionary using the `setattr()` function. This function takes three arguments: the object, the attribute name, and the value.

Here is an example:

# create a class
class Person:
    def __init__(self, name, age): = name
        self.age = age

# create a dictionary
person_dict = {'name': 'John', 'age': 25}

# create an object of the class
person = Person("", 0)

# set attributes from dictionary
for key, value in person_dict.items():
    setattr(person, key, value)

# print the attributes

In this example, we first create a class called `Person` with two attributes: `name` and `age`. We then create a dictionary called `person_dict` with the same keys as the class attributes. We also create an object of the class called `person`.

Next, we use a `for` loop to iterate through the items in the dictionary. For each item, we use the `setattr()` function to set the attribute of the `person` object with the corresponding value from the dictionary.

Finally, we print the `name` and `age` attributes of the `person` object to confirm that they have been set correctly.


In Python, setting attributes from a dictionary is a powerful and useful feature. It allows us to easily set multiple attributes of an object at once, which can save us time and effort. By using the `setattr()` function, we can set the attributes of any object from a dictionary with just a few lines of code.

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