executing Function from SQLPLUS prompt

SQL> variable komal number

SQL> begin

2 :komal := add_me(45,12);

3 end;

4 /

PL/SQL procedure successfully completed.

SQL> print komal

KOMAL

———-

57

SQL> variable tejal number;

SQL> execute :tejal := add_me(10,20)

PL/SQL procedure successfully completed.

SQL> print tejal

TEJAL

———-

30

SQL>