Questions

• Q4.1.1The else block of a try ... except clause
• Q4.1.2The finally block of a try ... except clause
• Q4.2.1Determining if a string is a pangram
• Q4.2.2Removing duplicates from a list
• Q4.2.3Defining set objects
• Q4.2.4frozenset
• Q4.2.5Grouping words by their length using a defaultdict
• Q4.3.1List comprehension and lambda functions
• Q4.3.2Mystery list comprehension
• Q4.3.3Various list comprehensions
• Q4.3.4Sorting a dictionary
• Q4.3.5The "jump the five" cypher
• Q4.3.6Sorting a list containing None
• Q4.3.7Using an assignment expression