May-22-2017, 06:37 PM
Wow, what a patience - writing out this dictionary 
In [4]: def upper_index(c):
...: return ord(c) - ord('A') + 1
...:
In [5]: upper_index('B')
Out[5]: 2
In [6]: upper_index('Z')
Out[6]: 26
Test everything in a Python shell (iPython, Azure Notebook, etc.)
- Someone gave you an advice you liked? Test it - maybe the advice was actually bad.
- Someone gave you an advice you think is bad? Test it before arguing - maybe it was good.
- You posted a claim that something you did not test works? Be prepared to eat your hat.