My teacher told me that if I wanted to get the best grade in our programming class, I should code a Simple Source Code Converter. 
Python to Ruby (the simplest he said) 
Now my question to you: how hard is it to code a simple source code converter for python to ruby. (It should convert file controlling, Control Statements, etc.) 
Do you have any tips for me?
Which language should I use to code the converter (C#, Python or Ruby)?
It sounds like your teacher is a bit of a practical joker!
How do I code a source code converter from python to ruby?