Fix tuple-like structure in Raku

Do a minimal change as suggested in 4cb25db

Author: sumanstats

doc/Language/py-nutshell.pod6

@@ -780,13 +780,12 @@ Raku
 Raku does not have a builtin Tuple type, though they are available as modules.
 You can obtain the same behavior from Raku using the List type.
 
-    my $list1 := (1, "two", 3, "hat");
-    my $list2 := (5, 6, "seven");
-    say $list1[1];                                  # OUTPUT: «two␤»
-    my $list3 := slip($list1), slip($list2);
-    my $list4 := |$list1, |$list2;                  # equivalent to previous line
-    say $list3;                                     # OUTPUT: «(1, two, 3, hat, 5, 6, seven)␤»
-    say $list3.WHAT;                                # (List)
+    my $list1 = (1, "two", 3, "hat");
+    my $list2 = (5, 6, "seven");
+    say $list1[1];                                 # OUTPUT: «two␤» 
+    my $list3 = (slip($list1), slip($list2));
+    my $list4 = (|$list1, |$list2);                # equivalent to previous line 
+    say $list3;                                    # OUTPUT: «(1, two, 3, hat, 5, 6, seven)␤»   
 
 =end pod