# Tech Tuesday: Algorithms (Implementations)

By [Continuations](https://continuations.com) · 2012-11-13

tech tuesday, programming, algorithms, implementation

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Last week in [Tech Tuesday](http://continuations.com/tagged/tech_tuesday), we [continued](http://continuations.com/post/35123769564/tech-tuesday-algorithms-continued) our introduction to [algorithms](http://continuations.com/post/34161537119/tech-tuesday-algorithms-introduction) by looking at a first implementation.  As a reminder we are trying to find out whether a sequence of integers contains a number that is repeated four times in a row. Here is that [Python code](http://ideone.com/MU7VTB) together with a bug fix for dealing with empty number sequences:

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*Originally published on [Continuations](https://continuations.com/tech-tuesday-algorithms-implementations)*