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// Data Structures
Data Structures Quiz
// question 1 of 10
What does pop() do?
Clears list
Removes an item
Adds item
// question 2 of 10
What mode appends to a file?
a
r
w
// question 3 of 10
What does append() do?
Removes item
Sorts list
Adds item to end
// question 4 of 10
What is a nested list?
A dictionary key
A list inside another list
A tuple in a set
// question 5 of 10
What is printed? print((1,2) * 2)
(1,2,1,2)
Error
(2,4)
// question 6 of 10
What is printed? print((1,2,3)[0])
3
1
2
// question 7 of 10
Can dictionary keys repeat?
Only strings
No
Yes
// question 8 of 10
What does with open() do?
Automatically closes file
Deletes file
Reads only
// question 9 of 10
What is printed? d={""a"":1}
{""a"":1,""b"":2}
print(d)
d[""b""]=2
// question 10 of 10
What is printed? a=[1,2,3]
print(a)
[1,3]
a.remove(2)
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