Python Programming Mock Test 4

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

l=[[1 ,2, 3], [4, 5, 6], [7, 8, 9]]
[[row[i] for row in l] for i in range(3)]

2. Write a list comprehension for number and its cube for l=[1, 2, 3, 4, 5, 6, 7, 8, 9].

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

>>>t=(1,2,4,3)
>>>t[1:-1]

4. Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.extend([34, 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?

veggies = ['carrot', 'broccoli', 'potato', 'asparagus']
veggies.insert(veggies.index('broccoli'), 'celery')
print(veggies)

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

names1 = ['Amir', 'Bala', 'Chales']

if 'amir' in names1:
    print(1)
else:
    print(2)

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

def change(var, lst):
    var = 1
    lst[0] = 44
k = 3
a = [1, 2, 3]
change(k, a)
print(k)
print(a)

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

>>> a=(2,3,4)
>>> sum(a,3)

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

>>>m = [[x, x + 1, x + 2] for x in range(0, 3)]