Nadia

Improved dictionaries - short-introduction-to-Python.md

2

Issue #497 : Removed repeated line of code "rev = {'first': 'one', 'second': 'two'}".

Ep2 - Typo

2

The following code is used twice: `rev = {'first': 'one', 'second': 'two'}` This appears to be a typo. Suggestion to remove the second one.