Exercises and Answers
For each of the following expressions, what value will the expression give? Verify your answers by typing the expressions into the Python shell.
Write a function that checks whether or not all characters in a string are unique. The key idea is that each character in a string is 8 bytes resulting in a total of 26 (characters in the alphabet) * 2 (upper and lower cases) * 8 (bytes) = 256 possible integer values to represent a character. 192 more words