# Python

- [Dash Example Web App](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/dash-example-web-app.md): This is an example web app made with Dash, which in turn uses Flask underneath.
- [Distributed by Region (py)](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/distributed-by-region-py.md): This applet creates a count of reads from a BAM format file.
- [Parallel by Chr (py)](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/parallel-by-chr-py.md): This applet tutorial performs a SAMtools count using parallel threads.
- [Parallel by Region (py)](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/parallel-by-region-py.md): This applet tutorial performs a SAMtools count using parallel processes.
- [Pysam](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/pysam.md): This applet performs a SAMtools count on an input BAM using Pysam, a python wrapper for SAMtools.
- [TensorBoard Example Web App](https://documentation.dnanexus.com/getting-started/developer-tutorials/python/tensorboard-example-web-app.md): This example demonstrates how to run TensorBoard inside a DNAnexus applet.


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