... specific value, b. Note that this filters all occurrences of b, since each time it comes up, the filter expression will be false. count is a list method that returns the number of times a value ... types >>> type(odbchelper) == types.ModuleType True Chapter 4. The Power Of Introspection This chapter covers one of Python's strengths: introspection. As you know, everything ... function. 4. 6. The Peculiar Nature of and and or In Python, and and or perform boolean logic as you would expect, but they do not return boolean values; instead, they return one of the actual values...