This is the optional problem on secret messages. How do I test for membership in a list?
e.g, For c in phrase:
If c is in this list [list of upper case alphabet]? #### how to code this line
statements

I answered my own question -- found it in old lecture notes on the MIT website:
...we can check whether an element is in a list really simply with the in keyword. Something like 'A' in ['A', 'B'] returns True, but 'C' in ['A', 'B'] returns False.

Question

This is the optional problem on secret messages. How do I test for membership in a list?
e.g,  For c in phrase:
              If c is in this list [list of upper case alphabet]? #### how to code this line
                     statements

I answered my own question -- found it in old lecture notes on the MIT website:
...we can check whether an element is in a list really simply with the in keyword. Something like 'A' in ['A', 'B'] returns True, but 'C' in ['A', 'B'] returns False.

anonymous · Answer

are you talking about python?

anonymous · Answer

I have closed my question because I answered it myself!
... we can check whether an element is in a list really simply with the in keyword. Something like 'A' in ['A', 'B'] returns True, but 'C' in ['A', 'B'] returns False.