---

# Initialize the radius as requested
radius = 25
diameter = radius * 2

def draw_circle_row(count, current_row):
    # Calculate starting x to center the pyramid
    # Move Tracy to the start of the row
    x_start = -((count * diameter) / 2) + (current_row * radius)
    y_start = -200 + (current_row * diameter)
    
    for i in range(count - current_row):
        penup()
        setposition(x_start + (i * diameter), y_start)
        pendown()
        circle(radius)

def draw_pyramid():
    # Get user input and convert to integer
    row_value = int(input("How many circles on the bottom row? "))
    
    # Use a for loop to draw each row
    for i in range(row_value):
        draw_circle_row(row_value, i)

# Call the main function
draw_pyramid()