Python Programming Practice Test 4

1. How many elements are in m?

m = [[x, y] for x in range(0, 4) for y in range(0, 4)]

2. What will be the output of the following Python code?

d = {"john":40, "peter":45}
d["john"]

3. What will be the output of the following Python code?

>>>t1 = (1, 2, 4, 3)
>>>t2 = (1, 2, 3, 4)
>>>t1 < t2

4. Suppose list1 is [3, 4, 5, 20, 5], what is list1.index(5)?

5. To which of the following the "in" operator can be used to check if an item is in it?

6. What will be the output of the following Python code?

data = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]

print(data[1][0][0])

7. What will be the output of the following Python code?

a = [1, 5, 7, 9, 9, 1]
<br class="blank" />b=a[0]
<br class="blank" />x= 0
for x in range(1, len(a)):
    if a[x] > b:
        b = a[x]
        b= x
print(b)

8. What will be the output of the following Python code?

A = [[1, 2, 3],
     [4, 5, 6],
     [7, 8, 9]]
[A[i][len(A)-1-i] for i in range(len(A))]

9. Which of the following is a Python tuple?

10. What will be the output of the following Python code?

b=[2,3,4,5]
a=list(filter(lambda x:x%2,b))
print(a)