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MIT 6.189 A Gentle Introduction to Programming Using Python (OCW) 6 Online
OpenStudy (anonymous):

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.

OpenStudy (anonymous):

are you talking about python?

OpenStudy (anonymous):

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.

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