SQL & PL/SQL

hi,
i have a select statement that returns a numeric value.
i need to store the value in a variable and pass it to a insert statement...
for this i have created a stored procedure that accepts two variables... one for the select statement and one for the insert statement...

the stored procedure: -
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create or replace procedure ins_state(state in varchar2, countr in varchar2)
as
var i numeric;
begin
i := select country_id from country where country_name=countr;
insert into state(country_id, state_name) values(i, state);
commit;
end ins_state; /

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the problem is i m getting the error : -

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ERROR at line 6: PLS-00103: Encountered the symbol "INSERT"

4. begin
5. i := select country_id from country where country_name=countr;
6. insert into state(country_id, state_name) values(i, state);
7. commit;
8. end ins_state; /

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Any help...
Thanks
Pradyut, India