input: from typing import Tuple
  
  def calculate_circle_area(output_format: str = "string") -> Tuple[float, str]:
      """
      Prompt the user to enter the value of radius to calculate the area of a circle and return the calculated area along with a formatted output.
      
      >>> calculate_circle_area()
      Please enter the radius of the circle: 5
      (78.5, 'The area of the circle is: 78.5')
      """
      Pi = 3.14
      radius = float(input("Please enter the radius of the circle: "))
      area = Pi * radius ** 2
      formatted_output = f"The area of the circle is: {area}" if output_format == "string" else area
      return area, formatted_output
output:     Pi = 3.14
      radius = float(input("Please enter the radius of the circle: "))
      area = Pi * radius ** 2
      formatted_output = f"The area of the circle is: {area}" if output_format == "string" else area
      return area, formatted_output