factorial.py 969 B

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  1. # Copyright (C) 2020, 2019 Girish M
  2. # This program is free software; you can redistribute it and/or modify
  3. # it under the terms of the GNU General Public License as published by
  4. # the Free Software Foundation; either version 3 of the License, or
  5. # (at your option) any later version.
  6. #
  7. # This program is distributed in the hope that it will be useful,
  8. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. # GNU General Public License for more details.
  11. #
  12. # You should have received a copy of the GNU General Public License
  13. # along with this program; if not, write to the Free Software
  14. # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  15. # MA 02110-1301, USA.
  16. #
  17. n = input("Enter a number for which factorial has to be determined: ")
  18. def fact(n):
  19. factorial = 1
  20. while n>0:
  21. factorial = factorial * n
  22. n = n-1
  23. return factorial
  24. print(fact(n))