how does not work nested comment in python?

example: print "hello" # print comment +"world"=> single line comment print "hello" '''print comment''' +"world" => multiple line comment -- https://mail.python.org/mailman/listinfo/python-list

how to detect comment in source code file ?

how works python interpreter for finding comment ? if possible find nested comment ? -- https://mail.python.org/mailman/listinfo/python-list