List Quiz: 08

Advanced Python Lists Quiz

Answer the following advanced questions about Python lists:

Time Remaining: 20:00

1. What will this code output?

x = [1, 2, 3, 4, 5]
print(x[::2])

A) [2, 4] B) [1, 3, 5] C) [5, 3, 1] D) Error

2. What will be the output of this code?

x = [10, 20, 30]
y = [i * 2 for i in x]
print(y[1])

A) 20 B) 40 C) 60 D) Error

3. What does this code output?

x = [5, 3, 1]
y = x.pop(1)
print(x, y)

A) [5, 1], 3 B) [5, 3], 1 C) [5, 1], 5 D) Error

4. What will this code output?

x = [2, 4, 6, 8]
x.insert(2, 5)
print(x)

A) [2, 4, 5, 6, 8] B) [2, 5, 4, 6, 8] C) [5, 2, 4, 6, 8] D) Error

5. What is the output of this code?

x = [1, 2, 3, 4, 5]
y = x[1:4]
print(y)

A) [2, 3, 4] B) [1, 2, 3] C) [3, 4, 5] D) Error

6. What will this code output?

x = [2, 4, 6, 8]
print(sum(x) / len(x))

A) 4.0 B) 5.0 C) 6.0 D) Error

7. What does the following code output?

x = [10, 20, 30]
x.append(x[1] + x[2])
print(x)

A) [10, 20, 30, 50] B) [10, 30, 40] C) [50] D) Error

8. What is the output of this code?

x = [[1, 2], [3, 4]]
print(x[1][1])

A) 2 B) 3 C) 4 D) Error

9. What does this code output?

x = [3, 5, 7]
y = [9, 8, 7]
z = [a + b for a, b in zip(x, y)]
print(z)

A) [3, 5, 7, 9, 8, 7] B) [12, 13, 14] C) [21] D) Error

10. What will this code output?

x = [4, 8, 12, 16]
y = [i // 4 for i in x]
print(y)

A) [1, 2, 3, 4] B) [1, 2, 3] C) [1, 2, 3, 4, 5] D) [1, 2, 3, 4]