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Merge pull request #1 from peterennis/main

Merge pull request #1 from peterennis/peterennis-patch-1

Update 005 solve quadratic equation.ipynb

Delete 09 count the num of digits in a num.ipynb

Delete 05 print odd num from a given range.ipynb

Delete 06 find the sum of digits in a number.ipynb

Delete 02 cal avg of numbers in given list.ipynb

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Delete 04 reverse a given num.ipynb

Delete 08 find the smallest divisor of an int.ipynb

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Delete 10 check if a num is a palindrome.ipynb