[rjha]

formatting the above function for better readability

``` func toUpperCase(s: string) <IMPLEMENTATION>

  a = "hello world" 
  echo toUpperCase(a) 
  # HELLO WORLD 
  echo a.toUpperCase 
  # HELLO WORLD 
  echo toUpperCase a 
  # HELLO WORLD 
  echo a.toUpperCase
  # HELLO WORLD ```