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In Python 3, there is no xrange , but the range function behaves like xrange in Python … Python Exam - Get Your Diploma!W3Schools' Online … On my hardware I can generate the first million primes pretty quickly (given that this is written in Python): prologic@daisy Thu Apr 23 12:58:37 ~/work/euler $ time python … Python Loops Loop Description for Loop This is traditionally used when programmers had a piece of code and wanted to repeat that 'n' number of times. Python 3 This is a tutorial in Python3, but this chapter of our course is available in a version for Python 2.x as well: Generators in Python 2.x Training Classes Due to … In einer Python for Schleife, die über eine Liste iteriert, können … range() and xrange() are two functions that could be used to iterate a certain number of times in for loops in Python. 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