Python code without importing any heap libraries every time when mark is called out for each student For the recently concluded term exams, it is that day today where the Math teacher

will distribute the corrected answer sheet to every student and also call out the marks

that the student has secured. for the One of the students is a Math prodigy and is really quick at performing the

calculations. When the mark is called out for each student, she would perform the

calculation as to what is the $50$th percentile of the class.

You are required to simulate the same calculation using heap data structure and

calculate the $50$th percentile after every time the teacher calls out the mark of a

student.

Do not import any heap libraries. You are required to write your own functions.