input: 
  def calculate_circle_area() -> float:
      """Prompts the user to enter the radius of a circle and calculates the area of the circle.
      Returns the computed area as a float.
      Example:
      >>> calculate_circle_area()
      Please enter the radius of the circle: 10
      The area of the circle is: 314.0
      314.0
      """
      Pi = 3.14
      radius = float(input("Please enter the radius of the circle: "))
      area = Pi * radius ** 2
      print("The area of the circle is:", area)
      return area
  
output:     Pi = 3.14
      radius = float(input("Please enter the radius of the circle: "))
      area = Pi * radius ** 2
      print("The area of the circle is:", area)
      return area