Add Vietnamese translation

Closes satwikkansal/wtfpython#195

CONTRIBUTORS.md

@@ -22,6 +22,15 @@ Following are the wonderful people (in no specific order) who have contributed t
 | koddo | [koddo](https://github.com/koddo) | [#80](https://github.com/satwikkansal/wtfpython/issues/80), [#73](https://github.com/satwikkansal/wtfpython/issues/73) |
 | jab | [jab](https://github.com/jab) | [#77](https://github.com/satwikkansal/wtfpython/issues/77) |
 
+---
+
+**Translations**
+
+| Translator | Github | Language |
+|-------------|--------|--------|
+| leisurelicht | [leisurelicht](https://github.com/leisurelicht) | [Chinese](https://github.com/leisurelicht/wtfpython-cn) |
+| vuduclyunitn | [vuduclyunitn](https://github.com/vuduclyunitn) | [Vietnamese](https://github.com/vuduclyunitn/wtfptyhon-vi) |
+
 
 Thank you all for your time and making wtfpython more awesome! :smile:
 

README.md

@@ -2,7 +2,7 @@
 <h1 align="center">What the f*ck Python! 😱</h1>
 <p align="center">Exploring and understanding Python through surprising snippets.</p>
 
-Translations: [Chinese 中文](https://github.com/leisurelicht/wtfpython-cn) | [Add translation](https://github.com/satwikkansal/wtfpython/issues/new?title=Add%20translation%20for%20[LANGUAGE]&body=Expected%20time%20to%20finish:%20[X]%20weeks.%20I%27ll%20start%20working%20on%20it%20from%20[Y].)
+Translations: [Chinese 中文](https://github.com/leisurelicht/wtfpython-cn) | [Vietnamese Tiếng Việt](https://github.com/vuduclyunitn/wtfptyhon-vi) | [Add translation](https://github.com/satwikkansal/wtfpython/issues/new?title=Add%20translation%20for%20[LANGUAGE]&body=Expected%20time%20to%20finish:%20[X]%20weeks.%20I%27ll%20start%20working%20on%20it%20from%20[Y].)
 
 Other modes: [Interactive](https://colab.research.google.com/github/satwikkansal/wtfpython/blob/master/irrelevant/wtf.ipynb) | [CLI](https://pypi.python.org/pypi/wtfpython)