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Question :
You will be given the starting and ending integers of a sequence and should return the number of integers within it which do not contain the digit 5. The start and end numbers should be included!
Examples:
1,9 → 1,2,3,4,6,7,8,9 → Result 8
4,17 → 4,6,7,8,9,10,11,12,13,14...