You may use this guide to make quality contributions at Hacktoberfest 2020: Hacktoberfest 2020 guide

To begin contributing, you shall get a quick overview of how Cosmos is used today. Cosmos is one of the most extensive code database and is used as:

• A datastore for various projects (such as [Quark](https://github.com/OpenGenus/

Description of Change

1. adding new feature - articulation point algorithm. In a graph, a vertex is called an articulation point if removing it and all the edges associated with it results in the increase of the number of connected components in the graph. For example consider the graph given in following figure.
2. moving the GraphRep struct from Graph.c to Graph.h

References

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Currently they wrap them into pvector which is not as efficient as it could be in Python 3.

IMO we should keep only __contains__ method

Could we add some data validation functions such as,
make upper case,
make lower case,
get random double,
get random int?