what is super class in python code example

Example 1: python super

# It's kinda hard to explain this just by code.
# So I'll provide a link to a pretty good explanation of it.
https://www.pythonforbeginners.com/super/working-python-super-function

Example 2: what is the purpose of super keyword in python

class Parent:
  def __init__(self, txt):
    self.message = txt

  def printmessage(self):
    print(self.message)

class Child(Parent):
  def __init__(self, txt):
    super().__init__(txt)

x = Child("Hello, and welcome!")

x.printmessage()

Example 3: using super constructor python

class Rectangle:
    def __init__(self, length, width):
        self.length = length
        self.width = width

    def area(self):
        return self.length * self.width

    def perimeter(self):
        return 2 * self.length + 2 * self.width

# Here we declare that the Square class inherits from the Rectangle class
class Square(Rectangle):
    def __init__(self, length):
        super().__init__(length, length)