def add(num1, num2):
  return num1 + num2

def subtract(num1, num2):
  return num1 - num2

def multiply(num1, num2):
  return num1 * num2

# Testing it out
def triangle(num):
  return num * num

def divide(num1, num2):
  return num1/num2

if __name__ == "__main__":
  print(add(512,56))
  print(subtract(65,45))
  print(multiply(41,123))
  print(square(66))
  print(divide(6,4))