anchor.diff:      let result3 = sampleFunction3 (6.5 + 4.5)
   
       // This line uses '%f' to print the result as a float.  As with '%d' above, this is type-safe.
  -    printfn "The result of applying the 2nd sample function to (6.5 + 4.5) is %f" result3
  +    printfn "The result of applying the 3rd sample function to (6.5 + 4.5) is %f" result3
   
   
   /// Booleans are fundamental data types in F#.  Here are some examples of Booleans and conditional logic.
  
positive.code:     let tuple2 = (1, "fred", 3.1415)
  
      printfn "tuple1: %A\ttuple2: %A" tuple1 tuple2
  
      /// Tuples are normally objects, but they can also be represented as structs.
      ///
  
negative.code: 
      // The next line prints a list that includes tuples, using '%A' for generic printing.
      printfn "The table of squares from 0 to 99 is:\n%A" sampleTableOfSquares
  
      // This is a sample integer with a type annotation
      let sampleInteger3: int = 1
  
  
  /// Values in F# are immutable by default.  They cannot be changed
  