Python_CSE-Quiz-2

What will be the output of the following Python code?

a=[1,2,3,4,5,6,7,8,9]
print(a[::2])

• [1,2]

• [8,9]

• [1,3,5,7,9]

• [1,2,3]

The code below is manipulating a Python list using the slicing operator. What will be the output?
a=[1,2,3,4,5,6,7,8,9]
a[::2]=10,20,30,40,50,60
print(a)

• valueError: attempt to assign a sequence of size 6 to an extended slice of size 5
  

• [10, 2, 20, 4, 30, 6, 40, 8, 50, 60]

• [1, 10, 3, 20, 5, 30, 7, 40, 9, 50, 60]

• none

What will be the output of the following code snippet?

a=[1,2,3,4,5]
print(a[3:0:-1])

• Syntax error

• [4, 3, 2]

• [4, 3]

• [4, 3, 2, 1]

def f(value, values):
    v = 1
    values[0] = 44
t = 3
v = [1, 2, 3]
f(t, v)
print(t, v[0])

• 1 44

• 31

• 3 44

• 11

What is the correct command to shuffle the given Python list?

• fruit.shuffle()

• shuffle(fruit)

• random.shuffle(fruit)

• random.shuffleList(fruit)

arr = [[1, 2, 3, 4],
       [4, 5, 6, 7],
       [8, 9, 10, 11],
       [12, 13, 14, 15]]
for i in range(0, 4):
    print(arr[i].pop())

• 1 2 3 4

• 1 4 8 12

• 4 7 11 15

• 12,13,14,15

Which of the following statements given below is/are true about a Python tuple?

• Tuples have structure, and lists have an order

• Tuples are homogeneous, and lists are heterogeneous

• none

• All of them.

a = {'a':1,'b':2,'c':3}
print (a['a','b'])

• Key Error

• [1,2]

• {‘a’:1,’b’:2}

• (1,2)

A list can contain ...............memory elements.

• unlimited

• 10000

• 1 million

• 10 million

the list pop function will?

• remove the first element from the list

• remove the last element from the list

• none will be removed

• both will be removed