input: Write a function to calculate the area of a circle by prompting the user to enter the radius. The function should return the calculated area. The radius should be validated to ensure it is a positive number.
  def calculate_circle_area():
      Pi = 3.14
      while True:
          radius = float(input("Please enter the radius of the circle: "))
          if radius > 0:
              break
          print("Radius should be a positive number. Please try again.")
      area = Pi * radius ** 2
      return area
  assert calculate_circle_area() == 78.5  # Assuming user inputs 5 as the radius
  assert calculate_circle_area() == 314.0  # Assuming user inputs 10 as the radius
  assert calculate_circle_area() == 12.56  # Assuming user inputs 2 as the radius
output: def calculate_circle_area():
      Pi = 3.14
      while True:
          radius = float(input("Please enter the radius of the circle: "))
          if radius > 0:
              break
          print("Radius should be a positive number. Please try again.")
      area = Pi * radius ** 2
      return area