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#+TITLE:    Sets

#+AUTHOR:    FOSSEE

#+EMAIL:     

#+DATE:    

#+DESCRIPTION: 

#+KEYWORDS: 

#+LANGUAGE:  en

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* Outline

  - Defining Sets

  - Operations on sets

* Question 1

  Given a list of marks, ~marks = [20, 23, 22, 23, 20, 21, 23]~ list

  all the duplicates

* Solution 1

  #+begin_src python

    marks = [20, 23, 22, 23, 20, 21, 23] 

    marks_set = set(marks)

    for mark in marks_set:

        marks.remove(mark)

    # we are now left with only duplicates in the list marks

    duplicates = set(marks)

  #+end_src

* Summary

  You should now be able to --

  + make sets from lists

  + input sets directly

  + perform operations like union, intersection, symmetric difference

  + check if a subset of another

  + check containership, length and other properties similar to lists

* Thank you!

#+begin_latex

  \begin{block}{}

  \begin{center}

  This spoken tutorial has been produced by the

  \textcolor{blue}{FOSSEE} team, which is funded by the 

  \end{center}

  \begin{center}

    \textcolor{blue}{National Mission on Education through \\

      Information \& Communication Technology \\ 

      MHRD, Govt. of India}.

  \end{center}  

  \end{block}

#+end_latex