Projects Quiz

// question 1 of 10

What does for key, value in my_dict.items() do?

Iterates over values only Iterates over key-value pairs Iterates over keys only

// question 2 of 10

What does the col_index reset mechanism do in ADFGVX transposition?

Sorts the columns alphabetically Cycles through columns by resetting to 0 after the last column Counts the total number of characters

// question 3 of 10

What is the difference between remove() and discard() on a set?

remove() raises KeyError if missing, discard() does not They are identical discard() raises KeyError if missing, remove() does not

// question 4 of 10

What is the output of: list("Bull")?

['Bull'] ['B', 'u', 'l', 'l'] ('B', 'u', 'l', 'l')

// question 5 of 10

What is the output of: sorted({"B": 1, "A": 2, "C": 3})?

{'A': 2, 'B': 1, 'C': 3} [1, 2, 3] ['A', 'B', 'C']

// question 6 of 10

What is the output of: "hello world".split()?

['hello', 'world'] ('hello', 'world') ['h','e','l','l','o',' ','w','o','r','l','d']

// question 7 of 10

What does int("42") return?

The string "42" The integer 42 A float 42.0

// question 8 of 10

What is the output of: {x for x in [1,2,2,3,3]}?

[1, 2, 3] {1, 2, 3} (1, 2, 2, 3, 3)

// question 9 of 10

What is the purpose of if __name__ == "__main__"?

Runs code only when the file is executed directly, not when imported Checks if the module name is correct Prevents the file from being imported

// question 10 of 10

What does a set guarantee about its elements?

All elements are unique Elements are ordered Elements can be any type including lists