6.20. Exercises
6-1. Strings. Are there any string methods or functions in the string module that will help me determine if a string is part of a larger string?
6-2. String Identifiers. Modify the idcheck.py script in Example 6-1 such that it will determine the validity of identifiers of length 1 as well as be able to detect if an identifier is a keyword. For the latter part of the exercise, you may use the keyword module (specifically the keyword.kwlist list) to aid in your cause.
6-3. Sorting.
(a) Enter a list of numbers and sort the values in largest-to-smallest order.
(b) Do the same thing, but for strings and in reverse alphabetical (largest-to-smallest lexicographic) order.
6-4. Arithmetic. Update your solution to the test score exercise in ...
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