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Supported by the following organizations

This is to certify that Gary Matthew Payne has successfully completed all courses and received passing grades for an XSeries Program certificate in CS50's AP® Computer Science Principles a program offered by HarvardX, in collaboration with edX.

Noted by

David J. Malan

David J. Malan

Gordon McKay Professor of the Practice of Computer Science Harvard University

  • XSeries Program certificate Issued October 2022
  • Valid Certificate ID b5394d00a4d541539f361b7f1ce23768

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