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// Data Structures
Data Structures Quiz
// question 1 of 10
What is printed? d={""a"":1,""b"":2}
del d[""a""]
print(d)
{""b"":2}
// question 2 of 10
What is printed? print(3 in {1,2,3})
3
False
True
// question 3 of 10
What mode opens a file for writing?
r
x
w
// question 4 of 10
What does intersection() return?
All values
Different values
Common values
// question 5 of 10
What is printed? print(len({1,2,3}))
3
1
2
// question 6 of 10
What is printed? print([x for x in ""abc""])
[""abc""]
abc
[""a"",""b"",""c""]
// question 7 of 10
What is printed? a=[1,2,3]
print(a)
[1,3]
a.remove(2)
// question 8 of 10
What is printed? print([x for x in range(5) if x%2==0])
[1,3,5]
[2,4]
[0,2,4]
// question 9 of 10
What is printed? print({1,2}.union({2,3}))
{1,2,2,3}
{2}
{1,2,3}
// question 10 of 10
What does insert() do?
Adds item at position
Sorts list
Deletes item
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