old_contents: import turtle
  
  def draw_initials():
      #Set up screen, etc.
      window = turtle.Screen()
      window.bgcolor('gray')
  
      ###THE LETTER B###
      letter = turtle.Turtle()
      letter.shape('turtle')
      letter.color('white', 'gray')
      letter.speed(8)
      
      #Move pen into place
      letter.penup()
      letter.left(180)
      letter.forward(200)
      letter.pendown()
  
      #Draw the letter B
      letter.right(90)
      letter.forward(240)
      letter.right(90)
      letter.forward(65)
      letter.circle(-55,180)
      letter.forward(65)
      letter.left(180)
      letter.forward(75)
      letter.circle(-65, 180)
      letter.forward(75)
  
      #Move pen into place
      letter.penup()
      letter.right(180)
      letter.forward(150)
      letter.left(90)
      letter.forward(240)
      letter.right(90)
      letter.forward(190)
      letter.right(90)
      letter.forward(80)
      letter.pendown()
  
      #Draw the letter C
      letter.circle(-80,-180)
      letter.right(180)
      letter.forward(81)
      letter.circle(80,180)
  
      #Hide turtle and exit drawing window
      letter.hideturtle()
      window.exitonclick()
  
  draw_initials()
  
new_contents: #!/usr/bin/env python
  
  import turtle
  
  
  def draw_initials():
      """Draw the initials BC"""
      # Set up screen, etc.
      window = turtle.Screen()
      window.bgcolor('gray')
  
      letter = turtle.Turtle()
      letter.shape('turtle')
      letter.color('white', 'gray')
      letter.speed(8)
  
      # Move pen into place
      letter.penup()
      letter.left(180)
      letter.forward(200)
      letter.pendown()
  
      # Draw the letter B
      letter.right(90)
      letter.forward(240)
      letter.right(90)
      letter.forward(65)
      letter.circle(-55, 180)
      letter.forward(65)
      letter.left(180)
      letter.forward(75)
      letter.circle(-65, 180)
      letter.forward(75)
  
      # Move pen into place
      letter.penup()
      letter.right(180)
      letter.forward(150)
      letter.left(90)
      letter.forward(240)
      letter.right(90)
      letter.forward(190)
      letter.right(90)
      letter.forward(80)
      letter.pendown()
  
      # Draw the letter C
      letter.circle(-80, -180)
      letter.right(180)
      letter.forward(81)
      letter.circle(80, 180)
  
      # Hide turtle and exit drawing window
      letter.hideturtle()
      window.exitonclick()
  
  draw_initials()
  
subject: Make minor improvements to comments and formatting