MCQ Exam Test

Q1

What does the len() function do when applied to a list or tuple?

Q2

What will be the output of the following Python code snippet? my_string = "hello world" k = [(i.upper(), len(i)) for i in my_string] print(k)

Q3

Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?

Q4

How many elements are in m? m = [[x, y] for x in range(0, 4) for y in range(0, 4)]

Q5

What will be the output of the following Python code? >>>list("a#b#c#d".split('#'))

Q6

What will be the output of the following Python code? >>>"Welcome to Python".split()

Q7

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))]

Q8

Write the list comprehension to pick out only negative integers from a given list 'l'.

Q9

To insert 5 to the third position in list1, we use which command?

Q10

Which of the following data types in Python is mutable?

Q11

Which of the following is the same as list(map(lambda x: x**-1, [1, 2, 3]))?

Q12

What will be the output of the following Python code? import copy a=[10,23,56,[78]] b=copy.deepcopy(a) a[3][0]=95 a[1]=34 print(b)

Q13

What is the list comprehension equivalent for? {x : x is a whole number less than 20, x is even} (including zero)

Q14

What will be the output of the following Python code? myList = [1, 2, 3, 4, 5, 6] for i in range(1, 6): myList[i - 1] = myList[i] for i in range(0, 6): print(myList[i], end = " ")

Q15

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)

Q16

What will be the output of the following Python code? >>>m = [[x, x + 1, x + 2] for x in range(0, 3)]

Q17

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

Q18

What will be the output of the following Python code? A = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] B = [[3, 3, 3], [4, 4, 4], [5, 5, 5]] [[col1 * col2 for (col1, col2) in zip(row1, row2)] for (row1, row2) in zip(A, B)]

Q19

What will be the output of the following Python code? num = ['One', 'Two', 'Three'] for i, x in enumerate(num): print('{}: {}'.format(i, x),end=" ")

Q20

Which of the following commands will create a list?

Q21

What will be the output of the following Python code? l=["good", "oh!", "excellent!", "#450"] [n for n in l if n.isalpha() or n.isdigit()]

Q22

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

Q23

What will be the output of the following Python code? values = [[3, 4, 5, 1], [33, 6, 1, 2]] v = values[0][0] for lst in values: for element in lst: if v > element: v = element print(v)

Q24

What will be the output of the following Python code? a= [1, 2, 3, 4, 5] for i in range(1, 5): a[i-1] = a[i] for i in range(0, 5): print(a[i],end = " ")

Q25

What method is used to insert an element at a specific index in a list or tuple?

python-programing - Part 31

What does the len() function do when applied to a list or tuple?

What will be the output of the following Python code snippet? my_string = "hello world" k = [(i.upper(), len(i)) for i in my_string] print(k)

Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?

How many elements are in m? m = [[x, y] for x in range(0, 4) for y in range(0, 4)]

What will be the output of the following Python code? >>>list("a#b#c#d".split('#'))

What will be the output of the following Python code? >>>"Welcome to Python".split()

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))]

Write the list comprehension to pick out only negative integers from a given list 'l'.

To insert 5 to the third position in list1, we use which command?

Which of the following data types in Python is mutable?

Which of the following is the same as list(map(lambda x: x**-1, [1, 2, 3]))?

What will be the output of the following Python code? import copy a=[10,23,56,[78]] b=copy.deepcopy(a) a[3][0]=95 a[1]=34 print(b)

What is the list comprehension equivalent for? {x : x is a whole number less than 20, x is even} (including zero)

What will be the output of the following Python code? myList = [1, 2, 3, 4, 5, 6] for i in range(1, 6): myList[i - 1] = myList[i] for i in range(0, 6): print(myList[i], end = " ")

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)

What will be the output of the following Python code? >>>m = [[x, x + 1, x + 2] for x in range(0, 3)]

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

What will be the output of the following Python code? A = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] B = [[3, 3, 3], [4, 4, 4], [5, 5, 5]] [[col1 * col2 for (col1, col2) in zip(row1, row2)] for (row1, row2) in zip(A, B)]

What will be the output of the following Python code? num = ['One', 'Two', 'Three'] for i, x in enumerate(num): print('{}: {}'.format(i, x),end=" ")

Which of the following commands will create a list?

What will be the output of the following Python code? l=["good", "oh!", "excellent!", "#450"] [n for n in l if n.isalpha() or n.isdigit()]

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

What will be the output of the following Python code? values = [[3, 4, 5, 1], [33, 6, 1, 2]] v = values[0][0] for lst in values: for element in lst: if v > element: v = element print(v)

What will be the output of the following Python code? a= [1, 2, 3, 4, 5] for i in range(1, 5): a[i-1] = a[i] for i in range(0, 5): print(a[i],end = " ")

What method is used to insert an element at a specific index in a list or tuple?