Update translation.py

Comments added to give more information on certain parts of the code and one new language added to the dictionary

translation.py

@@ -1,17 +1,23 @@
 from translate import Translator
 
+##DO NOT MODIFY THIS DICTIONARY##
+#Dictionary created contains languages supported by the translate api and their respective language codes
+#List of acceptable language codes for source and target languages
 languages = dict([('amharic','am'),('arabic','ar'),('basque','eu'),('bengali','bn'),('english', 'en'),('portuguese', 'pt'),
 ('bulgarian', 'bg'),('catalan',	'ca'),('cherokee',	'chr'),('croatian',	'hr'),('czech',	'cs'),('danish','da'),('dutch',	'nl'),('estonian',	'et'),
 ('filipino','fil'),('finnish','fi'),('french','fr'),('german','de'),('greek', 'el'),('gujarati','gu'),('hebrew','iw'),('hindi','hi'),
 ('hungarian', 'hu'),('icelandic','is'),('indonesian','id'),('italian',	'it'),('japanese','ja'),('kannada','kn'),('korean',	'ko'),('latvian','lv'),
 ('lithuanian','lt'),('malay', 'ms'),('malayalam',	'ml'),('marathi','mr'),('norwegian',	'no'),('polish','pl'),('romanian','ro'),('russian','ru'),
 ('serbian',	'sr'),('chinese' ,'zh-CN'),('slovak',	'sk'),('slovenian',	'sl'),('spanish','es'),('swahili',	'sw'),('swedish','sv'),('tamil','ta'),
-('telugu','te'),('thai','th'),('turkish','tr'),('urdu',	'ur'),('ukrainian',	'uk'),('vietnamese','vi'),('welsh',	'cy')])
+('telugu','te'),('thai','th'),('turkish','tr'),('urdu',	'ur'),('ukrainian',	'uk'),('vietnamese','vi'),('welsh',	'cy'),('yoruba','yo')])
 
 def translate(text):
     lang = input("What language will you like to translate to? ").lower()
     if lang in languages:
         fromEnglish = input("Are you translating from english? ").lower()
+        # Allows users to input the language they want to translate to and from
+        # It fetches the corresponding language code using the language as the key from the above dictionary
+        # it then returns the url encoded string that will be pushed to the translation server for parsing
         if "yes" in fromEnglish:
             translator = Translator(to_lang=languages[lang])
             print(translator.translate(text))