Nel Swanepoel

Comment & code refers to *rows* while text mistakenly refers to *columns* Fix to #479

The [Index, Slicing & Subsetting episode](https://datacarpentry.org/python-ecology-lesson/03-index-slice-subset/) has a typo in the *Copying Objects vs Referencing Objects in Python* section. The Python code snippet is ```python # Assign the value `0`...

PR to address issue #471

2

Changes folder in the introductory suggested project layout from **scripts** to **code** Referenced in issue #471, the *Before we start* episode 0 suggests keeping Python code in a **scripts** folder....