text: """
  Grade
  Write a program that asks the user to enter
  the score for a student's test.
  The letter grades are as follows:
  
  A: >= 90
  B: >= 80
  c: >= 70
  D: >= 60
  F: < 60
  
  Print the letter grade that the test score receives.
  """
  
  # write code here
  
  """
  See if you can write the same program,
  but without using >= anywhere.
  """
  
  # write code here
  