How to add or subtract two columns and put the results in a new column in a Pandas Dataframe - Quora
![Filter a Pandas DataFrame by a Partial String or Pattern in 8 Ways | by Susan Maina | Towards Data Science Filter a Pandas DataFrame by a Partial String or Pattern in 8 Ways | by Susan Maina | Towards Data Science](https://miro.medium.com/v2/resize:fit:1400/1*U5Ky7fREPJ6htpYAO_F5pw.png)
Filter a Pandas DataFrame by a Partial String or Pattern in 8 Ways | by Susan Maina | Towards Data Science
![Filtering Data in Pandas. Using boolean indexing, filter, query… | by Mars Escobin | Level Up Coding Filtering Data in Pandas. Using boolean indexing, filter, query… | by Mars Escobin | Level Up Coding](https://miro.medium.com/v2/resize:fit:1400/1*rjGdGxZYg0cp3qHsOU4zGw.png)
Filtering Data in Pandas. Using boolean indexing, filter, query… | by Mars Escobin | Level Up Coding
![python - Multiple filtering pandas columns based on values in another column - Data Science Stack Exchange python - Multiple filtering pandas columns based on values in another column - Data Science Stack Exchange](https://i.stack.imgur.com/UcfA3.png)