Python Library Reference

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2.3.6.3 XRange Type

The xrange type is an immutable sequence which is commonly used for looping. The advantage of the xrange type is that an xrange object will always take the same amount of memory, no matter the size of the range it represents. There are no consistent performance advantages.

XRange objects have very little behavior: they only support indexing, iteration, and the len() function.

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Python Library Reference

Previous: 2.3.6.2 String Formatting Operations Up: 2.3.6 Sequence Types Next: 2.3.6.4 Mutable Sequence Types

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Release 2.4.1, documentation updated on 30 March 2005.