IndentationError: unindent does not match any outer indentation level

Question

When I compile the Python code below, I get

IndentationError: unindent does not match any outer indentation level

---

Answer 1

On Atom

go to

Packages > Whitespace > Convert Spaces to Tabs

Then check again your file indentation:

python -m tabnanny yourFile.py

or

>python
>>> help("yourFile.py")