Type the lines of the exercise into the empty cells. Ensure that any cells you use are code cells and not markdown cells.
%%markdown # You can use markdown magic in a code cell to display both markdown and output, or just use a markdown cell!
### A super subheading
* list item 1
* list item 2
1. numbered list item
1. another numbered list item
1. another item

```python
# block of code with python syntax highlighting
for k in range(10):
print(k, 'Hello World!')
```
# block of code with python syntax highlighting
for k in range(10):
print(k, 'Hello World!')
help(open)