Remove trailing whitespace, add missing newline

examples/string-formatting/string-formatting.go

@@ -50,7 +50,7 @@ func main() {
 
     // There are also several formatting options for
     // floats. For basic decimal formatting use `%f`.
-    fmt.Printf("%f", 78.9)
+    fmt.Printf("%f\n", 78.9)
 
     // `%e` and `%E` format the float in (slightly
     // different versions of) scientific notation.

examples/string-formatting/string-formatting.sh

@@ -8,12 +8,13 @@ true
 1110
 !
 1c8
-78.9000001.234000e+08 
+78.900000
+1.234000e+08
 1.234000E+08
 "string"
 "\"string\""
 6865782074686973
-0x42134100 
+0x42135100
 |    12|   345|
 |  1.20|  3.45|
 |1.20  |3.45  |