Which of these is a correctly written dictionary?

• ["apple": "red"]
• ("apple" = "red")
• {"apple": "red", "banana": "yellow"}

With colors = {"apple": "red", "banana": "yellow"}, what does colors["banana"] give?

• "yellow"
• "banana"
• "apple"

Two keys in the same dictionary may be identical.

Circle one:   True   False

A program holds forecasts as a list of dicts and must total the "precip" field. What is the shape of the code?

• set rainfall to 0, then add forecast["precip"] for each record
• sort the list, then read the middle record
• count the records, then divide by two

In counts[word] = counts.get(word, 0) + 1, what happens on a word seen first?

• the program raises an error
• the word starts at 1
• the word is skipped

codes = {"US": 1, "IN": 91} maps countries to codes. The task is now to find the country for code 91. What is the fix?

• build a reversed dict such as {1: "US", 91: "IN"}
• add more countries to the same dict
• loop over the list positions instead

A coach stores race finishing order and asks what sits third. A friend proposes a dictionary keyed by runner name. Why is a list the better fit?

• dictionaries cannot hold names
• the question is about place, and a list answers by position
• lists look up names faster

A tally loop crashes on new words with counts[word] = counts[word] + 1. Which single change fixes it while keeping the loop?

• sort the words before the loop
• rename counts to word_list
• use counts.get(word, 0) + 1 on the right side