text: from Calculator.Subtraction import subtraction
  from Calculator.Addition import  addition
  from Calculator.Multiplication import multiplication
  from Calculator.Division import division
  from Calculator.Square import square
  from Calculator.Squareroot import squareroot
  class Calculator:
      result = 0
      def __init__(self):
          pass
  
      def add(self, a, b):
          self.result = addition(a, b)
          return self.result
  
      def subtract(self, a, b):
          self.result = subtraction(a, b)
          return self.result
  
      def multiply(self, a, b):
          self.result = multiplication(a, b)
          return self.result
  
      def divide(self, a, b):
          self.result = division(a, b)
          return self.result
  
      def square(self, a):
          self.result = square(a)
          return self.result
  
      def squareroot(self, a):
          self.result = squareroot(a)
          return self.result