# Series Given a string of digits, output all the contiguous substrings of length `n` in that string. For example, the string "49142" has the following 3-digit series: - 491 - 914 - 142 And the following 4-digit series: - 4914 - 9142 And if you ask for a 6-digit series from a 5-digit string, you deserve whatever you get. Note that these series are only required to occupy *adjacent positions* in the input; the digits need not be *numerically consecutive*. ### Submitting Exercises Note that, when trying to submit an exercise, make sure the solution is in the `exercism/python/` directory. For example, if you're submitting `bob.py` for the Bob exercise, the submit command would be something like `exercism submit /python/bob/bob.py`. For more detailed information about running tests, code style and linting, please see the [help page](http://exercism.io/languages/python). ## Source A subset of the Problem 8 at Project Euler [http://projecteuler.net/problem=8](http://projecteuler.net/problem=8) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.