from one module to an- other. Pros: The namespace management convention is simple. The source of each identifier is indicated in a consistent way; x.Obj says that object Obj is defined in module x. Cons: Cons: Module names can still collide. Some module names are inconveniently long. Decision: Use import x for importing packages and modules. Use from x import y where x is the package prefix and y is the the module name 3 with no prefix. Use from x import y as z if two modules named y are to be imported or if y is an inconveniently long name. For example the module sound.effects.echo may be imported as

IBM Research – Almaden, USA  Declarative large-scale machine learning  Optimizer and runtime of Apache SystemML  2011 PhD TU Dresden, Germany  Cost-based optimization of integration flows  Systems  In-memory indexing and query processing Data Management Group DB group https://github.com/ apache/systemds 6 706.015 Introduction to Scientific Writing – 01 Introduction and Overview Matthias Boehm system internals DB system internals + prog. project Prog. projects in SystemDS [github.com/apache/systemds] Data Management Group Intro to Scientific Writing (WS) 7 706.015 Introduction to

University of Technology, WS 2021/22 RDM in Practice @DAMSLab  Code and Artifacts  Apache SystemDS: https://github.com/apache/systemds (OSS)  Complete code history, src/bin releases (SystemDS 2.2.0 in Oct

boilerplate. Choose the appropriate boilerplate for the license used by the project (for example, Apache 2.0, BSD, LGPL, GPL). If you make significant changes to a file with an author line, consider deleting