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layout: section title: “Flatten” permalink: /documentation/transforms/python/other/flatten/ section_menu: section-menu/documentation.html

Flatten

See more information in the [Beam Programming Guide]({{ site.baseurl }}/documentation/programming-guide/#flatten).

Examples

See BEAM-7391 for updates.

Related transforms

• [FlatMap]({{ site.baseurl }}/documentation/transforms/python/elementwise/flatmap) applies a simple 1-to-many mapping function over each element in the collection. This transform might produce zero or more outputs.