Can you explain the concept of metaprogramming in Python?

In the first example, we are going to demonstrate metaprogramming in Python by dynamically creating a class and adding methods to it at runtime. Here is the code for our first example: 
class DynamicClass:
    pass

def dynamic_method(self):
    return "This is a dynamically added method!"

DynamicClass.dynamic_method = dynamic_method

obj = DynamicClass()
print(obj.dynamic_method())

Explanation: 1. We start by defining a basic class called DynamicClass . 2. Next, we define a function called dynamic_method that will act as a method for our class. 3. We then dynamically add this function as a method to our DynamicClass by assigning it to the class itself. 4. Finally, we create an instance of DynamicClass and call the dynamically added method on the object, which will output "This is a dynamically added method!". In the second example, we are going to showcase metaprogramming in Python by using the type() function to create a class dynamically. Here is the code for our second example: 
def init(self, name):
    self.name = name

def greet(self):
    return f"Hello, {self.name}!"

MyClass = type('MyClass', (), {'__init__': init, 'greet': greet})

obj = MyClass('Alice')
print(obj.greet())

Explanation: 1. We define two functions: init to initialize an object with a name attribute, and greet to return a greeting message using the object's name. 2. We then use the type() function to dynamically create a class named MyClass with the specified methods ( __init__ and greet ). 3. The type() function takes three arguments: the class name, base classes (empty in this case), and a dictionary of methods and attributes. 4. We instantiate MyClass with the name 'Alice' and call the greet method on the object, which will output "Hello, Alice!".

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