:7:1: error: [GHC-39999] • No instance for ‘GHC.Show.Show Float’ arising from a use of ‘System.IO.print’ • In a stmt of an interactive GHCi command: System.IO.print it :15:1: error: [GHC-39999] • No instance for ‘GHC.Show.Show Float’ arising from a use of ‘System.IO.print’ • In a stmt of an interactive GHCi command: System.IO.print it