if I call a plsql is there a commit?

Hi,
 excuse me for the simplicity of the question but I'm a beginner.. I have seen somethings similar in this forum. If i have a procedure plsql that calls an other one like this:

CREATE OR REPLACE PROCEDURE p1
as
begin
p2();
p3();
...
end;

After p2 is there a commit or it is after end? Thanks in advance!

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