dbms_output.put_line(c_ty||' '||whatever);

SQL> l
  1  begin
  2    dbms_output.put_line('first part ' || substr('123456789', 7, 2));
  3* end;
SQL> /
first part 78

PL/SQL procedure successfully completed.

SQL>

P CITY   P C
- ------ - -
N Norton 7 8
S Salem  7 9
E Galax  8 0
W Brito  8 1

declare
  cursor c1 is select * from cities;
  my_city		varchar2(7);
  my_code		varchar2(2);
begin
  for v_rec in c1 loop
  my_city := v_rec.pre||v_rec.city;
  my_code := v_rec.precode||v_rec.code;

  dbms_output.put_line(my_city||my_code);
  end loop;
end;

SQL> @ c:/dbms.sql
NNorton78
SSalem79
EGalax80
WBrito81

PL/SQL procedure successfully completed.

NNorton78 (It's ok)
SSalem79  (It should be SSalem 79)
EGalax80  (It should be EGalax 80)
WBrito81  (It should be WBrito 81)

declare
cursor c1 is select * from cities;
begin
for v_rec in c1 loop
  dbms_output.put_line(rpad(v_rec.pre||v_rec.city,7,' ')||v_rec.precode||v_rec.code);
end loop;
end;