**Step 6**: Raise a PR with your changes. Accept the pledge that the content is original and not stolen from any other source.

**Step 7**: Wait for review and PR merge.

- **NumPy**: Introduction, Arrays, Indexing and Slicing, Operations on Arrays, Concatenating Arrays, Reshaping Arrays, Splitting Arrays, Statistical Operations on Arrays, Loading Arrays from Files, Saving NumPy Arrays in Files, etc.

- **Pandas**: Introduction, Importing and Exporting Data, DataFrames, Pandas Series Vs NumPy ndarray, Descriptive Statistics, Data Aggregations, Sorting a DataFrame, Group by Functions, Altering the Index, Other DataFrame Operations, Handling Missing Values, Import and Export of Data between Pandas and MySQL, Pandas plotting, etc.

- **API Development**: Building APIs using FastAPI, CRUD API Development, etc.

- **Advanced Python**: OOP In Python, Generators, List Comprehensions, Lambda functions, In-depth Function Arguments, Regular Expressions, Exception Handling, Partial functions, Code Introspection, Closures, Decorators, Map, Filter, Reduce, etc.

In case you are new to the open source ecosystem, we would be more than happy to guide you through the entire process. Just join our [Discord server](https://bit.ly/heyfoss) and drop a message in relevant channel.